81724432

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164767}}^1$

素因数の和:164806

約数の個数: 20

約数和(自身を含む): 163449856

約数和(自身を除く): 81725424

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164767, 329534, 659068, 1318136, 2636272, 5107777, 10215554, 20431108, 40862216, 81724432]

約数ペア:

[(1, 81724432), (2, 40862216), (4, 20431108), (8, 10215554), (16, 5107777), (31, 2636272), (62, 1318136), (124, 659068), (248, 329534), (496, 164767)]