28870216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{212281}}^1$

素因数の和:212304

約数の個数: 16

約数和(自身を含む): 57316140

約数和(自身を除く): 28445924

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 212281, 424562, 849124, 1698248, 3608777, 7217554, 14435108, 28870216]

約数ペア:

[(1, 28870216), (2, 14435108), (4, 7217554), (8, 3608777), (17, 1698248), (34, 849124), (68, 424562), (136, 212281)]