128807848

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1238537}}^1$

素因数の和:1238556

約数の個数: 16

約数和(自身を含む): 260092980

約数和(自身を除く): 131285132

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1238537, 2477074, 4954148, 9908296, 16100981, 32201962, 64403924, 128807848]

約数ペア:

[(1, 128807848), (2, 64403924), (4, 32201962), (8, 16100981), (13, 9908296), (26, 4954148), (52, 2477074), (104, 1238537)]