71921072

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{28631}}^1$

素因数の和:28796

約数の個数: 20

約数和(自身を含む): 140239536

約数和(自身を除く): 68318464

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 28631, 57262, 114524, 229048, 458096, 4495067, 8990134, 17980268, 35960536, 71921072]

約数ペア:

[(1, 71921072), (2, 35960536), (4, 17980268), (8, 8990134), (16, 4495067), (157, 458096), (314, 229048), (628, 114524), (1256, 57262), (2512, 28631)]