163840655

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1\times {\mathrm{1193}}^1$

素因数の和:1447

約数の個数: 24

約数和(自身を含む): 217241136

約数和(自身を除く): 53400481

約数列:

[1, 5, 11, 55, 121, 227, 605, 1135, 1193, 2497, 5965, 12485, 13123, 27467, 65615, 137335, 144353, 270811, 721765, 1354055, 2978921, 14894605, 32768131, 163840655]

約数ペア:

[(1, 163840655), (5, 32768131), (11, 14894605), (55, 2978921), (121, 1354055), (227, 721765), (605, 270811), (1135, 144353), (1193, 137335), (2497, 65615), (5965, 27467), (12485, 13123)]