220509751

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11057}}^1$

素因数の和:11119

約数の個数: 24

約数和(自身を含む): 287419536

約数和(自身を除く): 66909785

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1813, 2849, 11057, 19943, 77399, 121627, 409109, 541793, 851389, 2863763, 4500199, 5959723, 20046341, 31501393, 220509751]

約数ペア:

[(1, 220509751), (7, 31501393), (11, 20046341), (37, 5959723), (49, 4500199), (77, 2863763), (259, 851389), (407, 541793), (539, 409109), (1813, 121627), (2849, 77399), (11057, 19943)]