258575438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{3221}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 438449760

約数和(自身を除く): 179874322

約数列:

[1, 2, 11, 22, 41, 82, 89, 178, 451, 902, 979, 1958, 3221, 3649, 6442, 7298, 35431, 40139, 70862, 80278, 132061, 264122, 286669, 573338, 1452671, 2905342, 3153359, 6306718, 11753429, 23506858, 129287719, 258575438]

約数ペア:

[(1, 258575438), (2, 129287719), (11, 23506858), (22, 11753429), (41, 6306718), (82, 3153359), (89, 2905342), (178, 1452671), (451, 573338), (902, 286669), (979, 264122), (1958, 132061), (3221, 80278), (3649, 70862), (6442, 40139), (7298, 35431)]