64630505

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{9697}}^1$

素因数の和:9776

約数の個数: 16

約数和(自身を含む): 81928704

約数和(自身を除く): 17298199

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 9697, 48485, 300607, 416971, 1503035, 2084855, 12926101, 64630505]

約数ペア:

[(1, 64630505), (5, 12926101), (31, 2084855), (43, 1503035), (155, 416971), (215, 300607), (1333, 48485), (6665, 9697)]