28123030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{953}}^1$

素因数の和:1200

約数の個数: 32

約数和(自身を含む): 54813024

約数和(自身を除く): 26689994

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 227, 454, 953, 1135, 1906, 2270, 2951, 4765, 5902, 9530, 12389, 14755, 24778, 29510, 61945, 123890, 216331, 432662, 1081655, 2163310, 2812303, 5624606, 14061515, 28123030]

約数ペア:

[(1, 28123030), (2, 14061515), (5, 5624606), (10, 2812303), (13, 2163310), (26, 1081655), (65, 432662), (130, 216331), (227, 123890), (454, 61945), (953, 29510), (1135, 24778), (1906, 14755), (2270, 12389), (2951, 9530), (4765, 5902)]