28211404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2111}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 53399808

約数和(自身を除く): 25188404

約数列:

[1, 2, 4, 13, 26, 52, 257, 514, 1028, 2111, 3341, 4222, 6682, 8444, 13364, 27443, 54886, 109772, 542527, 1085054, 2170108, 7052851, 14105702, 28211404]

約数ペア:

[(1, 28211404), (2, 14105702), (4, 7052851), (13, 2170108), (26, 1085054), (52, 542527), (257, 109772), (514, 54886), (1028, 27443), (2111, 13364), (3341, 8444), (4222, 6682)]