81371570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24733}}^1$

素因数の和:24794

約数の個数: 32

約数和(自身を含む): 170961408

約数和(自身を除く): 89589838

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 24733, 49466, 123665, 173131, 247330, 346262, 865655, 1162451, 1731310, 2324902, 5812255, 8137157, 11624510, 16274314, 40685785, 81371570]

約数ペア:

[(1, 81371570), (2, 40685785), (5, 16274314), (7, 11624510), (10, 8137157), (14, 5812255), (35, 2324902), (47, 1731310), (70, 1162451), (94, 865655), (235, 346262), (329, 247330), (470, 173131), (658, 123665), (1645, 49466), (3290, 24733)]