7940138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1181

約数の個数: 16

約数和(自身を含む): 12606720

約数和(自身を除く): 4666582

約数列:

[1, 2, 19, 38, 223, 446, 937, 1874, 4237, 8474, 17803, 35606, 208951, 417902, 3970069, 7940138]

約数ペア:

[(1, 7940138), (2, 3970069), (19, 417902), (38, 208951), (223, 35606), (446, 17803), (937, 8474), (1874, 4237)]