31224505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 43021440

約数和(自身を除く): 11796935

約数列:

[1, 5, 13, 19, 65, 95, 131, 193, 247, 655, 965, 1235, 1703, 2489, 2509, 3667, 8515, 12445, 12545, 18335, 25283, 32357, 47671, 126415, 161785, 238355, 328679, 480377, 1643395, 2401885, 6244901, 31224505]

約数ペア:

[(1, 31224505), (5, 6244901), (13, 2401885), (19, 1643395), (65, 480377), (95, 328679), (131, 238355), (193, 161785), (247, 126415), (655, 47671), (965, 32357), (1235, 25283), (1703, 18335), (2489, 12545), (2509, 12445), (3667, 8515)]