28729715

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26479}}^1$

素因数の和:26522

約数の個数: 16

約数和(自身を含む): 40673280

約数和(自身を除く): 11943565

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26479, 132395, 185353, 820849, 926765, 4104245, 5745943, 28729715]

約数ペア:

[(1, 28729715), (5, 5745943), (7, 4104245), (31, 926765), (35, 820849), (155, 185353), (217, 132395), (1085, 26479)]