39780296

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{81517}}^1$

素因数の和:81584

約数の個数: 16

約数和(自身を含む): 75811740

約数和(自身を除く): 36031444

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 81517, 163034, 326068, 652136, 4972537, 9945074, 19890148, 39780296]

約数ペア:

[(1, 39780296), (2, 19890148), (4, 9945074), (8, 4972537), (61, 652136), (122, 326068), (244, 163034), (488, 81517)]