161758910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{2551}}^1$

素因数の和:2948

約数の個数: 32

約数和(自身を含む): 309241152

約数和(自身を除く): 147482242

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 373, 746, 1865, 2551, 3730, 5102, 6341, 12682, 12755, 25510, 31705, 43367, 63410, 86734, 216835, 433670, 951523, 1903046, 4757615, 9515230, 16175891, 32351782, 80879455, 161758910]

約数ペア:

[(1, 161758910), (2, 80879455), (5, 32351782), (10, 16175891), (17, 9515230), (34, 4757615), (85, 1903046), (170, 951523), (373, 433670), (746, 216835), (1865, 86734), (2551, 63410), (3730, 43367), (5102, 31705), (6341, 25510), (12682, 12755)]