28187012

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{11311}}^1$

素因数の和:11411

約数の個数: 24

約数和(自身を含む): 57012480

約数和(自身を除く): 28825468

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 11311, 22622, 45244, 79177, 158354, 316708, 1006679, 2013358, 4026716, 7046753, 14093506, 28187012]

約数ペア:

[(1, 28187012), (2, 14093506), (4, 7046753), (7, 4026716), (14, 2013358), (28, 1006679), (89, 316708), (178, 158354), (356, 79177), (623, 45244), (1246, 22622), (2492, 11311)]