31478798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 54250560

約数和(自身を除く): 22771762

約数列:

[1, 2, 13, 17, 26, 34, 221, 229, 311, 442, 458, 622, 2977, 3893, 4043, 5287, 5954, 7786, 8086, 10574, 50609, 68731, 71219, 101218, 137462, 142438, 925847, 1210723, 1851694, 2421446, 15739399, 31478798]

約数ペア:

[(1, 31478798), (2, 15739399), (13, 2421446), (17, 1851694), (26, 1210723), (34, 925847), (221, 142438), (229, 137462), (311, 101218), (442, 71219), (458, 68731), (622, 50609), (2977, 10574), (3893, 8086), (4043, 7786), (5287, 5954)]