72751978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{90263}}^1$

素因数の和:90309

約数の個数: 16

約数和(自身を含む): 121314816

約数和(自身を除く): 48562838

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 90263, 180526, 1173419, 2346838, 2798153, 5596306, 36375989, 72751978]

約数ペア:

[(1, 72751978), (2, 36375989), (13, 5596306), (26, 2798153), (31, 2346838), (62, 1173419), (403, 180526), (806, 90263)]