31151659

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 10320341

約数列:

[1, 7, 11, 19, 77, 107, 133, 199, 209, 749, 1177, 1393, 1463, 2033, 2189, 3781, 8239, 14231, 15323, 21293, 22363, 26467, 41591, 149051, 156541, 234223, 291137, 404567, 1639561, 2831969, 4450237, 31151659]

約数ペア:

[(1, 31151659), (7, 4450237), (11, 2831969), (19, 1639561), (77, 404567), (107, 291137), (133, 234223), (199, 156541), (209, 149051), (749, 41591), (1177, 26467), (1393, 22363), (1463, 21293), (2033, 15323), (2189, 14231), (3781, 8239)]