258052470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{661673}}^1$

素因数の和:661696

約数の個数: 32

約数和(自身を含む): 666967392

約数和(自身を除く): 408914922

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 661673, 1323346, 1985019, 3308365, 3970038, 6616730, 8601749, 9925095, 17203498, 19850190, 25805247, 43008745, 51610494, 86017490, 129026235, 258052470]

約数ペア:

[(1, 258052470), (2, 129026235), (3, 86017490), (5, 51610494), (6, 43008745), (10, 25805247), (13, 19850190), (15, 17203498), (26, 9925095), (30, 8601749), (39, 6616730), (65, 3970038), (78, 3308365), (130, 1985019), (195, 1323346), (390, 661673)]