105721904

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{213149}}^1$

素因数の和:213188

約数の個数: 20

約数和(自身を含む): 211444800

約数和(自身を除く): 105722896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 213149, 426298, 852596, 1705192, 3410384, 6607619, 13215238, 26430476, 52860952, 105721904]

約数ペア:

[(1, 105721904), (2, 52860952), (4, 26430476), (8, 13215238), (16, 6607619), (31, 3410384), (62, 1705192), (124, 852596), (248, 426298), (496, 213149)]