1990955

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 2579040

約数和(自身を除く): 588085

約数列:

[1, 5, 17, 59, 85, 295, 397, 1003, 1985, 5015, 6749, 23423, 33745, 117115, 398191, 1990955]

約数ペア:

[(1, 1990955), (5, 398191), (17, 117115), (59, 33745), (85, 23423), (295, 6749), (397, 5015), (1003, 1985)]