123485990

素因数分解:

$2^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{51239}}^1$

素因数の和:51487

約数の個数: 16

約数和(自身を含む): 223201440

約数和(自身を除く): 99715450

約数列:

[1, 2, 5, 10, 241, 482, 1205, 2410, 51239, 102478, 256195, 512390, 12348599, 24697198, 61742995, 123485990]

約数ペア:

[(1, 123485990), (2, 61742995), (5, 24697198), (10, 12348599), (241, 512390), (482, 256195), (1205, 102478), (2410, 51239)]