221563692

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 216

約数和(自身を含む): 701116416

約数和(自身を除く): 479552724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 43, 46, 49, 63, 69, 84, 86, 92, 98, 126, 127, 129, 138, 147, 161, 172, 196, 207, 252, 254, 258, 276, 294, 301, 322, 381, 387, 414, 441, 483, 508, 516, 588, 602, 644, 762, 774, 828, 882, 889, 903, 966, 989, 1127, 1143, 1204, 1449, 1524, 1548, 1764, 1778, 1806, 1932, 1978, 2107, 2254, 2286, 2667, 2709, 2898, 2921, 2967, 3381, 3556, 3612, 3956, 4214, 4508, 4572, 5334, 5418, 5461, 5796, 5842, 5934, 6223, 6321, 6762, 6923, 8001, 8428, 8763, 8901, 10143, 10668, 10836, 10922, 11684, 11868, 12446, 12642, 13524, 13846, 16002, 16383, 17526, 17802, 18669, 18963, 20286, 20447, 20769, 21844, 24892, 25284, 26289, 27692, 32004, 32766, 35052, 35604, 37338, 37926, 38227, 40572, 40894, 41538, 48461, 49149, 52578, 56007, 61341, 62307, 65532, 74676, 75852, 76454, 81788, 83076, 96922, 98298, 105156, 112014, 114681, 122682, 124614, 125603, 143129, 145383, 152908, 184023, 193844, 196596, 224028, 229362, 245364, 249228, 251206, 267589, 286258, 290766, 344043, 368046, 376809, 429387, 436149, 458724, 502412, 535178, 572516, 581532, 688086, 736092, 753618, 802767, 858774, 872298, 879221, 1070356, 1130427, 1288161, 1376172, 1507236, 1605534, 1717548, 1744596, 1758442, 2260854, 2408301, 2576322, 2637663, 3211068, 3516884, 4521708, 4816602, 5152644, 5275326, 6154547, 7912989, 9633204, 10550652, 12309094, 15825978, 18463641, 24618188, 31651956, 36927282, 55390923, 73854564, 110781846, 221563692]

約数ペア:

[(1, 221563692), (2, 110781846), (3, 73854564), (4, 55390923), (6, 36927282), (7, 31651956), (9, 24618188), (12, 18463641), (14, 15825978), (18, 12309094), (21, 10550652), (23, 9633204), (28, 7912989), (36, 6154547), (42, 5275326), (43, 5152644), (46, 4816602), (49, 4521708), (63, 3516884), (69, 3211068), (84, 2637663), (86, 2576322), (92, 2408301), (98, 2260854), (126, 1758442), (127, 1744596), (129, 1717548), (138, 1605534), (147, 1507236), (161, 1376172), (172, 1288161), (196, 1130427), (207, 1070356), (252, 879221), (254, 872298), (258, 858774), (276, 802767), (294, 753618), (301, 736092), (322, 688086), (381, 581532), (387, 572516), (414, 535178), (441, 502412), (483, 458724), (508, 436149), (516, 429387), (588, 376809), (602, 368046), (644, 344043), (762, 290766), (774, 286258), (828, 267589), (882, 251206), (889, 249228), (903, 245364), (966, 229362), (989, 224028), (1127, 196596), (1143, 193844), (1204, 184023), (1449, 152908), (1524, 145383), (1548, 143129), (1764, 125603), (1778, 124614), (1806, 122682), (1932, 114681), (1978, 112014), (2107, 105156), (2254, 98298), (2286, 96922), (2667, 83076), (2709, 81788), (2898, 76454), (2921, 75852), (2967, 74676), (3381, 65532), (3556, 62307), (3612, 61341), (3956, 56007), (4214, 52578), (4508, 49149), (4572, 48461), (5334, 41538), (5418, 40894), (5461, 40572), (5796, 38227), (5842, 37926), (5934, 37338), (6223, 35604), (6321, 35052), (6762, 32766), (6923, 32004), (8001, 27692), (8428, 26289), (8763, 25284), (8901, 24892), (10143, 21844), (10668, 20769), (10836, 20447), (10922, 20286), (11684, 18963), (11868, 18669), (12446, 17802), (12642, 17526), (13524, 16383), (13846, 16002)]