64490416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{130021}}^1$

素因数の和:130060

約数の個数: 20

約数和(自身を含む): 128981824

約数和(自身を除く): 64491408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 130021, 260042, 520084, 1040168, 2080336, 4030651, 8061302, 16122604, 32245208, 64490416]

約数ペア:

[(1, 64490416), (2, 32245208), (4, 16122604), (8, 8061302), (16, 4030651), (31, 2080336), (62, 1040168), (124, 520084), (248, 260042), (496, 130021)]