9904145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1312

約数の個数: 16

約数和(自身を含む): 12586752

約数和(自身を除く): 2682607

約数列:

[1, 5, 23, 71, 115, 355, 1213, 1633, 6065, 8165, 27899, 86123, 139495, 430615, 1980829, 9904145]

約数ペア:

[(1, 9904145), (5, 1980829), (23, 430615), (71, 139495), (115, 86123), (355, 27899), (1213, 8165), (1633, 6065)]