64880335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 86929920

約数和(自身を除く): 22049585

約数列:

[1, 5, 13, 43, 65, 139, 167, 215, 559, 695, 835, 1807, 2171, 2795, 5977, 7181, 9035, 10855, 23213, 29885, 35905, 77701, 93353, 116065, 301769, 388505, 466765, 998159, 1508845, 4990795, 12976067, 64880335]

約数ペア:

[(1, 64880335), (5, 12976067), (13, 4990795), (43, 1508845), (65, 998159), (139, 466765), (167, 388505), (215, 301769), (559, 116065), (695, 93353), (835, 77701), (1807, 35905), (2171, 29885), (2795, 23213), (5977, 10855), (7181, 9035)]