31274285

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 45619200

約数和(自身を除く): 14344915

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 359, 655, 665, 917, 1795, 2489, 2513, 4585, 6821, 12445, 12565, 17423, 34105, 47029, 47747, 87115, 235145, 238735, 329203, 893551, 1646015, 4467755, 6254857, 31274285]

約数ペア:

[(1, 31274285), (5, 6254857), (7, 4467755), (19, 1646015), (35, 893551), (95, 329203), (131, 238735), (133, 235145), (359, 87115), (655, 47747), (665, 47029), (917, 34105), (1795, 17423), (2489, 12565), (2513, 12445), (4585, 6821)]