240000047

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{18131}}^1$

素因数の和:18230

約数の個数: 16

約数和(自身を含む): 287791104

約数和(自身を除く): 47791057

約数列:

[1, 7, 31, 61, 217, 427, 1891, 13237, 18131, 126917, 562061, 1105991, 3934427, 7741937, 34285721, 240000047]

約数ペア:

[(1, 240000047), (7, 34285721), (31, 7741937), (61, 3934427), (217, 1105991), (427, 562061), (1891, 126917), (13237, 18131)]