68910568

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 138257280

約数和(自身を除く): 69346712

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 223, 361, 428, 446, 722, 856, 892, 1444, 1784, 2033, 2888, 4066, 4237, 8132, 8474, 16264, 16948, 23861, 33896, 38627, 47722, 77254, 80503, 95444, 154508, 161006, 190888, 309016, 322012, 453359, 644024, 906718, 1813436, 3626872, 8613821, 17227642, 34455284, 68910568]

約数ペア:

[(1, 68910568), (2, 34455284), (4, 17227642), (8, 8613821), (19, 3626872), (38, 1813436), (76, 906718), (107, 644024), (152, 453359), (214, 322012), (223, 309016), (361, 190888), (428, 161006), (446, 154508), (722, 95444), (856, 80503), (892, 77254), (1444, 47722), (1784, 38627), (2033, 33896), (2888, 23861), (4066, 16948), (4237, 16264), (8132, 8474)]