128943664

素因数分解:

$2^4\times {\mathrm{1279}}^1\times {\mathrm{6301}}^1$

素因数の和:7588

約数の個数: 20

約数和(自身を含む): 250063360

約数和(自身を除く): 121119696

約数列:

[1, 2, 4, 8, 16, 1279, 2558, 5116, 6301, 10232, 12602, 20464, 25204, 50408, 100816, 8058979, 16117958, 32235916, 64471832, 128943664]

約数ペア:

[(1, 128943664), (2, 64471832), (4, 32235916), (8, 16117958), (16, 8058979), (1279, 100816), (2558, 50408), (5116, 25204), (6301, 20464), (10232, 12602)]