2644655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 3749760

約数和(自身を除く): 1105105

約数列:

[1, 5, 13, 23, 29, 61, 65, 115, 145, 299, 305, 377, 667, 793, 1403, 1495, 1769, 1885, 3335, 3965, 7015, 8671, 8845, 18239, 22997, 40687, 43355, 91195, 114985, 203435, 528931, 2644655]

約数ペア:

[(1, 2644655), (5, 528931), (13, 203435), (23, 114985), (29, 91195), (61, 43355), (65, 40687), (115, 22997), (145, 18239), (299, 8845), (305, 8671), (377, 7015), (667, 3965), (793, 3335), (1403, 1885), (1495, 1769)]