12581195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 17473536

約数和(自身を除く): 4892341

約数列:

[1, 5, 11, 31, 47, 55, 155, 157, 235, 341, 517, 785, 1457, 1705, 1727, 2585, 4867, 7285, 7379, 8635, 16027, 24335, 36895, 53537, 80135, 81169, 228749, 267685, 405845, 1143745, 2516239, 12581195]

約数ペア:

[(1, 12581195), (5, 2516239), (11, 1143745), (31, 405845), (47, 267685), (55, 228749), (155, 81169), (157, 80135), (235, 53537), (341, 36895), (517, 24335), (785, 16027), (1457, 8635), (1705, 7379), (1727, 7285), (2585, 4867)]