28809430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17047}}^1$

素因数の和:17080

約数の個数: 24

約数和(自身を含む): 56156112

約数和(自身を除く): 27346682

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 17047, 34094, 85235, 170470, 221611, 443222, 1108055, 2216110, 2880943, 5761886, 14404715, 28809430]

約数ペア:

[(1, 28809430), (2, 14404715), (5, 5761886), (10, 2880943), (13, 2216110), (26, 1108055), (65, 443222), (130, 221611), (169, 170470), (338, 85235), (845, 34094), (1690, 17047)]