31124945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 10122415

約数列:

[1, 5, 19, 41, 61, 95, 131, 205, 305, 655, 779, 1159, 2489, 2501, 3895, 5371, 5795, 7991, 12445, 12505, 26855, 39955, 47519, 102049, 151829, 237595, 327631, 510245, 759145, 1638155, 6224989, 31124945]

約数ペア:

[(1, 31124945), (5, 6224989), (19, 1638155), (41, 759145), (61, 510245), (95, 327631), (131, 237595), (205, 151829), (305, 102049), (655, 47519), (779, 39955), (1159, 26855), (2489, 12505), (2501, 12445), (3895, 7991), (5371, 5795)]