90297086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 151165440

約数和(自身を除く): 60868354

約数列:

[1, 2, 11, 22, 89, 107, 178, 214, 431, 862, 979, 1177, 1958, 2354, 4741, 9482, 9523, 19046, 38359, 46117, 76718, 92234, 104753, 209506, 421949, 507287, 843898, 1014574, 4104413, 8208826, 45148543, 90297086]

約数ペア:

[(1, 90297086), (2, 45148543), (11, 8208826), (22, 4104413), (89, 1014574), (107, 843898), (178, 507287), (214, 421949), (431, 209506), (862, 104753), (979, 92234), (1177, 76718), (1958, 46117), (2354, 38359), (4741, 19046), (9482, 9523)]