28756244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2543}}^1$

素因数の和:2815

約数の個数: 24

約数和(自身を含む): 55133568

約数和(自身を除く): 26377324

約数列:

[1, 2, 4, 11, 22, 44, 257, 514, 1028, 2543, 2827, 5086, 5654, 10172, 11308, 27973, 55946, 111892, 653551, 1307102, 2614204, 7189061, 14378122, 28756244]

約数ペア:

[(1, 28756244), (2, 14378122), (4, 7189061), (11, 2614204), (22, 1307102), (44, 653551), (257, 111892), (514, 55946), (1028, 27973), (2543, 11308), (2827, 10172), (5086, 5654)]