61807990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{213131}}^1$

素因数の和:213167

約数の個数: 16

約数和(自身を含む): 115091280

約数和(自身を除く): 53283290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 213131, 426262, 1065655, 2131310, 6180799, 12361598, 30903995, 61807990]

約数ペア:

[(1, 61807990), (2, 30903995), (5, 12361598), (10, 6180799), (29, 2131310), (58, 1065655), (145, 426262), (290, 213131)]