28914340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15887}}^1$

素因数の和:15916

約数の個数: 48

約数和(自身を含む): 74737152

約数和(自身を除く): 45822812

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15887, 31774, 63548, 79435, 111209, 158870, 206531, 222418, 317740, 413062, 444836, 556045, 826124, 1032655, 1112090, 1445717, 2065310, 2224180, 2891434, 4130620, 5782868, 7228585, 14457170, 28914340]

約数ペア:

[(1, 28914340), (2, 14457170), (4, 7228585), (5, 5782868), (7, 4130620), (10, 2891434), (13, 2224180), (14, 2065310), (20, 1445717), (26, 1112090), (28, 1032655), (35, 826124), (52, 556045), (65, 444836), (70, 413062), (91, 317740), (130, 222418), (140, 206531), (182, 158870), (260, 111209), (364, 79435), (455, 63548), (910, 31774), (1820, 15887)]