409982012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{20389}}^1$

素因数の和:20861

約数の個数: 24

約数和(自身を含む): 784444080

約数和(自身を除く): 374462068

約数列:

[1, 2, 4, 11, 22, 44, 457, 914, 1828, 5027, 10054, 20108, 20389, 40778, 81556, 224279, 448558, 897116, 9317773, 18635546, 37271092, 102495503, 204991006, 409982012]

約数ペア:

[(1, 409982012), (2, 204991006), (4, 102495503), (11, 37271092), (22, 18635546), (44, 9317773), (457, 897116), (914, 448558), (1828, 224279), (5027, 81556), (10054, 40778), (20108, 20389)]