121457896

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{8641}}^1$

素因数の和:8905

約数の個数: 32

約数和(自身を含む): 261334080

約数和(自身を除く): 139876184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 7028, 8641, 14056, 17282, 34564, 60487, 69128, 120974, 241948, 483896, 2168891, 4337782, 8675564, 15182237, 17351128, 30364474, 60728948, 121457896]

約数ペア:

[(1, 121457896), (2, 60728948), (4, 30364474), (7, 17351128), (8, 15182237), (14, 8675564), (28, 4337782), (56, 2168891), (251, 483896), (502, 241948), (1004, 120974), (1757, 69128), (2008, 60487), (3514, 34564), (7028, 17282), (8641, 14056)]