31523290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1531}}^1$

素因数の和:1638

約数の個数: 32

約数和(自身を含む): 59564160

約数和(自身を除く): 28040870

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1531, 2059, 3062, 4118, 7655, 10295, 15310, 20590, 44399, 88798, 108701, 217402, 221995, 443990, 543505, 1087010, 3152329, 6304658, 15761645, 31523290]

約数ペア:

[(1, 31523290), (2, 15761645), (5, 6304658), (10, 3152329), (29, 1087010), (58, 543505), (71, 443990), (142, 221995), (145, 217402), (290, 108701), (355, 88798), (710, 44399), (1531, 20590), (2059, 15310), (3062, 10295), (4118, 7655)]