28397876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{7481}}^1$

素因数の和:7571

約数の個数: 24

約数和(自身を含む): 54259464

約数和(自身を除く): 25861588

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 7481, 14962, 29924, 97253, 194506, 389012, 546113, 1092226, 2184452, 7099469, 14198938, 28397876]

約数ペア:

[(1, 28397876), (2, 14198938), (4, 7099469), (13, 2184452), (26, 1092226), (52, 546113), (73, 389012), (146, 194506), (292, 97253), (949, 29924), (1898, 14962), (3796, 7481)]