212971374

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:327

約数の個数: 144

約数和(自身を含む): 591732960

約数和(自身を除く): 378761586

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 61, 63, 66, 77, 99, 121, 122, 126, 154, 183, 198, 229, 231, 242, 363, 366, 427, 458, 462, 549, 671, 687, 693, 726, 847, 854, 1089, 1098, 1281, 1342, 1374, 1386, 1603, 1694, 2013, 2061, 2178, 2519, 2541, 2562, 3206, 3843, 4026, 4122, 4697, 4809, 5038, 5082, 6039, 7381, 7557, 7623, 7686, 9394, 9618, 12078, 13969, 14091, 14427, 14762, 15114, 15246, 17633, 22143, 22671, 27709, 27938, 28182, 28854, 35266, 41907, 42273, 44286, 45342, 51667, 52899, 55418, 66429, 83127, 83814, 84546, 97783, 103334, 105798, 125721, 132858, 153659, 155001, 158697, 166254, 193963, 195566, 249381, 251442, 293349, 307318, 310002, 317394, 387926, 460977, 465003, 498762, 581889, 586698, 880047, 921954, 930006, 1075613, 1163778, 1382931, 1690249, 1745667, 1760094, 2151226, 2765862, 3226839, 3380498, 3491334, 5070747, 6453678, 9680517, 10141494, 11831743, 15212241, 19361034, 23663486, 30424482, 35495229, 70990458, 106485687, 212971374]

約数ペア:

[(1, 212971374), (2, 106485687), (3, 70990458), (6, 35495229), (7, 30424482), (9, 23663486), (11, 19361034), (14, 15212241), (18, 11831743), (21, 10141494), (22, 9680517), (33, 6453678), (42, 5070747), (61, 3491334), (63, 3380498), (66, 3226839), (77, 2765862), (99, 2151226), (121, 1760094), (122, 1745667), (126, 1690249), (154, 1382931), (183, 1163778), (198, 1075613), (229, 930006), (231, 921954), (242, 880047), (363, 586698), (366, 581889), (427, 498762), (458, 465003), (462, 460977), (549, 387926), (671, 317394), (687, 310002), (693, 307318), (726, 293349), (847, 251442), (854, 249381), (1089, 195566), (1098, 193963), (1281, 166254), (1342, 158697), (1374, 155001), (1386, 153659), (1603, 132858), (1694, 125721), (2013, 105798), (2061, 103334), (2178, 97783), (2519, 84546), (2541, 83814), (2562, 83127), (3206, 66429), (3843, 55418), (4026, 52899), (4122, 51667), (4697, 45342), (4809, 44286), (5038, 42273), (5082, 41907), (6039, 35266), (7381, 28854), (7557, 28182), (7623, 27938), (7686, 27709), (9394, 22671), (9618, 22143), (12078, 17633), (13969, 15246), (14091, 15114), (14427, 14762)]