211611455

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 301644000

約数和(自身を除く): 90032545

約数列:

[1, 5, 11, 19, 41, 55, 95, 121, 205, 209, 449, 451, 605, 779, 1045, 2245, 2255, 2299, 3895, 4939, 4961, 8531, 8569, 11495, 18409, 24695, 24805, 42655, 42845, 54329, 92045, 93841, 94259, 202499, 271645, 349771, 469205, 471295, 1012495, 1032251, 1748855, 2227489, 3847481, 5161255, 11137445, 19237405, 42322291, 211611455]

約数ペア:

[(1, 211611455), (5, 42322291), (11, 19237405), (19, 11137445), (41, 5161255), (55, 3847481), (95, 2227489), (121, 1748855), (205, 1032251), (209, 1012495), (449, 471295), (451, 469205), (605, 349771), (779, 271645), (1045, 202499), (2245, 94259), (2255, 93841), (2299, 92045), (3895, 54329), (4939, 42845), (4961, 42655), (8531, 24805), (8569, 24695), (11495, 18409)]