28757890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8741}}^1$

素因数の和:8802

約数の個数: 32

約数和(自身を含む): 60424704

約数和(自身を除く): 31666814

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 8741, 17482, 43705, 61187, 87410, 122374, 305935, 410827, 611870, 821654, 2054135, 2875789, 4108270, 5751578, 14378945, 28757890]

約数ペア:

[(1, 28757890), (2, 14378945), (5, 5751578), (7, 4108270), (10, 2875789), (14, 2054135), (35, 821654), (47, 611870), (70, 410827), (94, 305935), (235, 122374), (329, 87410), (470, 61187), (658, 43705), (1645, 17482), (3290, 8741)]