28526768

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{21481}}^1$

素因数の和:21572

約数の個数: 20

約数和(自身を含む): 55939128

約数和(自身を除く): 27412360

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 21481, 42962, 85924, 171848, 343696, 1782923, 3565846, 7131692, 14263384, 28526768]

約数ペア:

[(1, 28526768), (2, 14263384), (4, 7131692), (8, 3565846), (16, 1782923), (83, 343696), (166, 171848), (332, 85924), (664, 42962), (1328, 21481)]