199843664

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{110533}}^1$

素因数の和:110654

約数の個数: 20

約数和(自身を含む): 390627156

約数和(自身を除く): 190783492

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 110533, 221066, 442132, 884264, 1768528, 12490229, 24980458, 49960916, 99921832, 199843664]

約数ペア:

[(1, 199843664), (2, 99921832), (4, 49960916), (8, 24980458), (16, 12490229), (113, 1768528), (226, 884264), (452, 442132), (904, 221066), (1808, 110533)]