31425790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2621}}^1$

素因数の和:2748

約数の個数: 32

約数和(自身を含む): 62298720

約数和(自身を除く): 30872930

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 2621, 5242, 5995, 11990, 13105, 26210, 28831, 57662, 144155, 285689, 288310, 571378, 1428445, 2856890, 3142579, 6285158, 15712895, 31425790]

約数ペア:

[(1, 31425790), (2, 15712895), (5, 6285158), (10, 3142579), (11, 2856890), (22, 1428445), (55, 571378), (109, 288310), (110, 285689), (218, 144155), (545, 57662), (1090, 28831), (1199, 26210), (2398, 13105), (2621, 11990), (5242, 5995)]