68318257

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 87436800

約数和(自身を除く): 19118543

約数列:

[1, 7, 17, 23, 109, 119, 161, 229, 391, 763, 1603, 1853, 2507, 2737, 3893, 5267, 12971, 17549, 24961, 27251, 36869, 42619, 89539, 174727, 298333, 424337, 574103, 626773, 2970359, 4018721, 9759751, 68318257]

約数ペア:

[(1, 68318257), (7, 9759751), (17, 4018721), (23, 2970359), (109, 626773), (119, 574103), (161, 424337), (229, 298333), (391, 174727), (763, 89539), (1603, 42619), (1853, 36869), (2507, 27251), (2737, 24961), (3893, 17549), (5267, 12971)]