258416

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 20

約数和(自身を含む): 517824

約数和(自身を除く): 259408

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 521, 1042, 2084, 4168, 8336, 16151, 32302, 64604, 129208, 258416]

約数ペア:

[(1, 258416), (2, 129208), (4, 64604), (8, 32302), (16, 16151), (31, 8336), (62, 4168), (124, 2084), (248, 1042), (496, 521)]