128778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:158

約数の個数: 24

約数和(自身を含む): 281088

約数和(自身を除く): 152310

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 127, 169, 254, 338, 381, 507, 762, 1014, 1651, 3302, 4953, 9906, 21463, 42926, 64389, 128778]

約数ペア:

[(1, 128778), (2, 64389), (3, 42926), (6, 21463), (13, 9906), (26, 4953), (39, 3302), (78, 1651), (127, 1014), (169, 762), (254, 507), (338, 381)]