31398730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{719}}^1$

素因数の和:1134

約数の個数: 32

約数和(自身を含む): 61896960

約数和(自身を除く): 30498230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 719, 794, 1438, 1985, 3595, 3970, 4367, 7190, 7909, 8734, 15818, 21835, 39545, 43670, 79090, 285443, 570886, 1427215, 2854430, 3139873, 6279746, 15699365, 31398730]

約数ペア:

[(1, 31398730), (2, 15699365), (5, 6279746), (10, 3139873), (11, 2854430), (22, 1427215), (55, 570886), (110, 285443), (397, 79090), (719, 43670), (794, 39545), (1438, 21835), (1985, 15818), (3595, 8734), (3970, 7909), (4367, 7190)]