290408

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 562560

約数和(自身を除く): 272152

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 1171, 2342, 4684, 9368, 36301, 72602, 145204, 290408]

約数ペア:

[(1, 290408), (2, 145204), (4, 72602), (8, 36301), (31, 9368), (62, 4684), (124, 2342), (248, 1171)]