201220816

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{177131}}^1$

素因数の和:177210

約数の個数: 20

約数和(自身を含む): 395358624

約数和(自身を除く): 194137808

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 177131, 354262, 708524, 1417048, 2834096, 12576301, 25152602, 50305204, 100610408, 201220816]

約数ペア:

[(1, 201220816), (2, 100610408), (4, 50305204), (8, 25152602), (16, 12576301), (71, 2834096), (142, 1417048), (284, 708524), (568, 354262), (1136, 177131)]