390847938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{161641}}^1$

素因数の和:161690

約数の個数: 32

約数和(自身を含む): 868987392

約数和(自身を除く): 478139454

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 161641, 323282, 484923, 969846, 2101333, 4202666, 5010871, 6303999, 10021742, 12607998, 15032613, 30065226, 65141323, 130282646, 195423969, 390847938]

約数ペア:

[(1, 390847938), (2, 195423969), (3, 130282646), (6, 65141323), (13, 30065226), (26, 15032613), (31, 12607998), (39, 10021742), (62, 6303999), (78, 5010871), (93, 4202666), (186, 2101333), (403, 969846), (806, 484923), (1209, 323282), (2418, 161641)]