257652318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 649353600

約数和(自身を除く): 391701282

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 419, 462, 726, 838, 847, 1257, 1331, 1694, 2514, 2541, 2662, 2933, 3993, 4609, 5082, 5866, 7986, 8799, 9218, 9317, 13827, 14641, 17598, 18634, 27654, 27951, 29282, 32263, 43923, 50699, 55902, 64526, 87846, 96789, 101398, 102487, 152097, 193578, 204974, 304194, 307461, 354893, 557689, 614922, 709786, 1064679, 1115378, 1673067, 2129358, 3346134, 3903823, 6134579, 7807646, 11711469, 12269158, 18403737, 23422938, 36807474, 42942053, 85884106, 128826159, 257652318]

約数ペア:

[(1, 257652318), (2, 128826159), (3, 85884106), (6, 42942053), (7, 36807474), (11, 23422938), (14, 18403737), (21, 12269158), (22, 11711469), (33, 7807646), (42, 6134579), (66, 3903823), (77, 3346134), (121, 2129358), (154, 1673067), (231, 1115378), (242, 1064679), (363, 709786), (419, 614922), (462, 557689), (726, 354893), (838, 307461), (847, 304194), (1257, 204974), (1331, 193578), (1694, 152097), (2514, 102487), (2541, 101398), (2662, 96789), (2933, 87846), (3993, 64526), (4609, 55902), (5082, 50699), (5866, 43923), (7986, 32263), (8799, 29282), (9218, 27951), (9317, 27654), (13827, 18634), (14641, 17598)]