128401868

素因数分解:

$2^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{8233}}^1$

素因数の和:8801

約数の個数: 24

約数和(自身を含む): 257296032

約数和(自身を除く): 128894164

約数列:

[1, 2, 4, 7, 14, 28, 557, 1114, 2228, 3899, 7798, 8233, 15596, 16466, 32932, 57631, 115262, 230524, 4585781, 9171562, 18343124, 32100467, 64200934, 128401868]

約数ペア:

[(1, 128401868), (2, 64200934), (4, 32100467), (7, 18343124), (14, 9171562), (28, 4585781), (557, 230524), (1114, 115262), (2228, 57631), (3899, 32932), (7798, 16466), (8233, 15596)]