64624681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 78030720

約数和(自身を除く): 13406039

約数列:

[1, 11, 19, 37, 61, 137, 209, 407, 671, 703, 1159, 1507, 2257, 2603, 5069, 7733, 8357, 12749, 24827, 28633, 42883, 55759, 91927, 96311, 158783, 309209, 471713, 1059421, 1746613, 3401299, 5874971, 64624681]

約数ペア:

[(1, 64624681), (11, 5874971), (19, 3401299), (37, 1746613), (61, 1059421), (137, 471713), (209, 309209), (407, 158783), (671, 96311), (703, 91927), (1159, 55759), (1507, 42883), (2257, 28633), (2603, 24827), (5069, 12749), (7733, 8357)]