80827285

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1409}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 121824000

約数和(自身を除く): 40996715

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1409, 1639, 5215, 7045, 8195, 9863, 11473, 15499, 49315, 57365, 77495, 108493, 209941, 542465, 1049705, 1469587, 2309351, 7347935, 11546755, 16165457, 80827285]

約数ペア:

[(1, 80827285), (5, 16165457), (7, 11546755), (11, 7347935), (35, 2309351), (55, 1469587), (77, 1049705), (149, 542465), (385, 209941), (745, 108493), (1043, 77495), (1409, 57365), (1639, 49315), (5215, 15499), (7045, 11473), (8195, 9863)]