31138415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2663

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 16969105

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 2609, 11935, 13045, 18263, 28699, 80879, 91315, 143495, 200893, 404395, 566153, 889669, 1004465, 2830765, 4448345, 6227683, 31138415]

約数ペア:

[(1, 31138415), (5, 6227683), (7, 4448345), (11, 2830765), (31, 1004465), (35, 889669), (55, 566153), (77, 404395), (155, 200893), (217, 143495), (341, 91315), (385, 80879), (1085, 28699), (1705, 18263), (2387, 13045), (2609, 11935)]