391387101695

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{405959}}^1$

素因数の和:406163

約数の個数: 32

約数和(自身を含む): 498356496000

約数和(自身を除く): 106969394305

約数列:

[1, 5, 29, 61, 109, 145, 305, 545, 1769, 3161, 6649, 8845, 15805, 33245, 192821, 405959, 964105, 2029795, 11772811, 24763499, 44249531, 58864055, 123817495, 221247655, 718141471, 1283236399, 2699221391, 3590707355, 6416181995, 13496106955, 78277420339, 391387101695]

約数ペア:

[(1, 391387101695), (5, 78277420339), (29, 13496106955), (61, 6416181995), (109, 3590707355), (145, 2699221391), (305, 1283236399), (545, 718141471), (1769, 221247655), (3161, 123817495), (6649, 58864055), (8845, 44249531), (15805, 24763499), (33245, 11772811), (192821, 2029795), (405959, 964105)]