397457851

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{13177}}^1$

素因数の和:13354

約数の個数: 16

約数和(自身を含む): 472299520

約数和(自身を除く): 74841669

約数列:

[1, 7, 31, 139, 217, 973, 4309, 13177, 30163, 92239, 408487, 1831603, 2859409, 12821221, 56779693, 397457851]

約数ペア:

[(1, 397457851), (7, 56779693), (31, 12821221), (139, 2859409), (217, 1831603), (973, 408487), (4309, 92239), (13177, 30163)]