256985389969

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{2647}}^1\times {\mathrm{1260851}}^1$

素因数の和:1263516

約数の個数: 16

約数和(自身を含む): 320518665216

約数和(自身を除く): 63533275247

約数列:

[1, 7, 11, 77, 2647, 18529, 29117, 203819, 1260851, 8825957, 13869361, 97085527, 3337472597, 23362308179, 36712198567, 256985389969]

約数ペア:

[(1, 256985389969), (7, 36712198567), (11, 23362308179), (77, 3337472597), (2647, 97085527), (18529, 13869361), (29117, 8825957), (203819, 1260851)]