28427525

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2663}}^1$

素因数の和:2741

約数の個数: 24

約数和(自身を含む): 40961664

約数和(自身を除く): 12534139

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 2663, 10675, 13315, 18641, 66575, 93205, 162443, 466025, 812215, 1137101, 4061075, 5685505, 28427525]

約数ペア:

[(1, 28427525), (5, 5685505), (7, 4061075), (25, 1137101), (35, 812215), (61, 466025), (175, 162443), (305, 93205), (427, 66575), (1525, 18641), (2135, 13315), (2663, 10675)]