221209716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 144

約数和(自身を含む): 662633664

約数和(自身を除く): 441423948

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 43, 49, 52, 78, 84, 86, 91, 98, 129, 147, 156, 172, 182, 196, 258, 273, 294, 301, 364, 516, 546, 559, 588, 602, 637, 673, 903, 1092, 1118, 1204, 1274, 1346, 1677, 1806, 1911, 2019, 2107, 2236, 2548, 2692, 3354, 3612, 3822, 3913, 4038, 4214, 4711, 6321, 6708, 7644, 7826, 8076, 8428, 8749, 9422, 11739, 12642, 14133, 15652, 17498, 18844, 23478, 25284, 26247, 27391, 28266, 28939, 32977, 34996, 46956, 52494, 54782, 56532, 57878, 61243, 65954, 82173, 86817, 98931, 104988, 109564, 115756, 122486, 131908, 164346, 173634, 183729, 197862, 202573, 244972, 328692, 347268, 367458, 376207, 395724, 405146, 428701, 607719, 734916, 752414, 810292, 857402, 1128621, 1215438, 1286103, 1418011, 1504828, 1714804, 2257242, 2430876, 2572206, 2633449, 2836022, 4254033, 4514484, 5144412, 5266898, 5672044, 7900347, 8508066, 10533796, 15800694, 17016132, 18434143, 31601388, 36868286, 55302429, 73736572, 110604858, 221209716]

約数ペア:

[(1, 221209716), (2, 110604858), (3, 73736572), (4, 55302429), (6, 36868286), (7, 31601388), (12, 18434143), (13, 17016132), (14, 15800694), (21, 10533796), (26, 8508066), (28, 7900347), (39, 5672044), (42, 5266898), (43, 5144412), (49, 4514484), (52, 4254033), (78, 2836022), (84, 2633449), (86, 2572206), (91, 2430876), (98, 2257242), (129, 1714804), (147, 1504828), (156, 1418011), (172, 1286103), (182, 1215438), (196, 1128621), (258, 857402), (273, 810292), (294, 752414), (301, 734916), (364, 607719), (516, 428701), (546, 405146), (559, 395724), (588, 376207), (602, 367458), (637, 347268), (673, 328692), (903, 244972), (1092, 202573), (1118, 197862), (1204, 183729), (1274, 173634), (1346, 164346), (1677, 131908), (1806, 122486), (1911, 115756), (2019, 109564), (2107, 104988), (2236, 98931), (2548, 86817), (2692, 82173), (3354, 65954), (3612, 61243), (3822, 57878), (3913, 56532), (4038, 54782), (4214, 52494), (4711, 46956), (6321, 34996), (6708, 32977), (7644, 28939), (7826, 28266), (8076, 27391), (8428, 26247), (8749, 25284), (9422, 23478), (11739, 18844), (12642, 17498), (14133, 15652)]