128302568

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{155707}}^1$

素因数の和:155816

約数の個数: 16

約数和(自身を含む): 242904480

約数和(自身を除く): 114601912

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 155707, 311414, 622828, 1245656, 16037821, 32075642, 64151284, 128302568]

約数ペア:

[(1, 128302568), (2, 64151284), (4, 32075642), (8, 16037821), (103, 1245656), (206, 622828), (412, 311414), (824, 155707)]