28978172

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{1051}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 52048752

約数和(自身を除く): 23070580

約数列:

[1, 2, 4, 61, 113, 122, 226, 244, 452, 1051, 2102, 4204, 6893, 13786, 27572, 64111, 118763, 128222, 237526, 256444, 475052, 7244543, 14489086, 28978172]

約数ペア:

[(1, 28978172), (2, 14489086), (4, 7244543), (61, 475052), (113, 256444), (122, 237526), (226, 128222), (244, 118763), (452, 64111), (1051, 27572), (2102, 13786), (4204, 6893)]