2220221465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{10243}}^1$

素因数の和:10829

約数の個数: 32

約数和(自身を含む): 3327906816

約数和(自身を除く): 1107685351

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 563, 2815, 3941, 6193, 10243, 19705, 30965, 43351, 51215, 71701, 112673, 216755, 358505, 563365, 788711, 3943555, 5766809, 28834045, 40367663, 63434899, 201838315, 317174495, 444044293, 2220221465]

約数ペア:

[(1, 2220221465), (5, 444044293), (7, 317174495), (11, 201838315), (35, 63434899), (55, 40367663), (77, 28834045), (385, 5766809), (563, 3943555), (2815, 788711), (3941, 563365), (6193, 358505), (10243, 216755), (19705, 112673), (30965, 71701), (43351, 51215)]