84128639

素因数分解:

$7^4\times {\mathrm{37}}^1\times {\mathrm{947}}^1$

素因数の和:1012

約数の個数: 20

約数和(自身を含む): 100903224

約数和(自身を除く): 16774585

約数列:

[1, 7, 37, 49, 259, 343, 947, 1813, 2401, 6629, 12691, 35039, 46403, 88837, 245273, 324821, 1716911, 2273747, 12018377, 84128639]

約数ペア:

[(1, 84128639), (7, 12018377), (37, 2273747), (49, 1716911), (259, 324821), (343, 245273), (947, 88837), (1813, 46403), (2401, 35039), (6629, 12691)]