128260265

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{69143}}^1$

素因数の和:69208

約数の個数: 16

約数和(自身を含む): 179221248

約数和(自身を除く): 50960983

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 69143, 345715, 484001, 2420005, 3664579, 18322895, 25652053, 128260265]

約数ペア:

[(1, 128260265), (5, 25652053), (7, 18322895), (35, 3664579), (53, 2420005), (265, 484001), (371, 345715), (1855, 69143)]