128978012

素因数分解:

$2^2\times {\mathrm{59}}^3\times {\mathrm{157}}^1$

素因数の和:338

約数の個数: 24

約数和(自身を含む): 231065520

約数和(自身を除く): 102087508

約数列:

[1, 2, 4, 59, 118, 157, 236, 314, 628, 3481, 6962, 9263, 13924, 18526, 37052, 205379, 410758, 546517, 821516, 1093034, 2186068, 32244503, 64489006, 128978012]

約数ペア:

[(1, 128978012), (2, 64489006), (4, 32244503), (59, 2186068), (118, 1093034), (157, 821516), (236, 546517), (314, 410758), (628, 205379), (3481, 37052), (6962, 18526), (9263, 13924)]