28715885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 39267072

約数和(自身を除く): 10551187

約数列:

[1, 5, 11, 37, 55, 103, 137, 185, 407, 515, 685, 1133, 1507, 2035, 3811, 5069, 5665, 7535, 14111, 19055, 25345, 41921, 55759, 70555, 155221, 209605, 278795, 522107, 776105, 2610535, 5743177, 28715885]

約数ペア:

[(1, 28715885), (5, 5743177), (11, 2610535), (37, 776105), (55, 522107), (103, 278795), (137, 209605), (185, 155221), (407, 70555), (515, 55759), (685, 41921), (1133, 25345), (1507, 19055), (2035, 14111), (3811, 7535), (5069, 5665)]