128249156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269431}}^1$

素因数の和:269459

約数の個数: 24

約数和(自身を含む): 271587456

約数和(自身を除く): 143338300

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 269431, 538862, 1077724, 1886017, 3772034, 4580327, 7544068, 9160654, 18321308, 32062289, 64124578, 128249156]

約数ペア:

[(1, 128249156), (2, 64124578), (4, 32062289), (7, 18321308), (14, 9160654), (17, 7544068), (28, 4580327), (34, 3772034), (68, 1886017), (119, 1077724), (238, 538862), (476, 269431)]