816404810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{216553}}^1$

素因数の和:216602

約数の個数: 32

約数和(自身を含む): 1637148240

約数和(自身を除く): 820743430

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 216553, 433106, 1082765, 2165530, 2815189, 5630378, 6280037, 12560074, 14075945, 28151890, 31400185, 62800370, 81640481, 163280962, 408202405, 816404810]

約数ペア:

[(1, 816404810), (2, 408202405), (5, 163280962), (10, 81640481), (13, 62800370), (26, 31400185), (29, 28151890), (58, 14075945), (65, 12560074), (130, 6280037), (145, 5630378), (290, 2815189), (377, 2165530), (754, 1082765), (1885, 433106), (3770, 216553)]