218062655

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1687

約数の個数: 32

約数和(自身を含む): 293372928

約数和(自身を除く): 75310273

約数列:

[1, 5, 17, 23, 71, 85, 115, 355, 391, 1207, 1571, 1633, 1955, 6035, 7855, 8165, 26707, 27761, 36133, 111541, 133535, 138805, 180665, 557705, 614261, 1896197, 2565443, 3071305, 9480985, 12827215, 43612531, 218062655]

約数ペア:

[(1, 218062655), (5, 43612531), (17, 12827215), (23, 9480985), (71, 3071305), (85, 2565443), (115, 1896197), (355, 614261), (391, 557705), (1207, 180665), (1571, 138805), (1633, 133535), (1955, 111541), (6035, 36133), (7855, 27761), (8165, 26707)]