2219710405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{2447}}^1\times {\mathrm{16493}}^1$

素因数の和:18956

約数の個数: 16

約数和(自身を含む): 2907166464

約数和(自身を除く): 687456059

約数列:

[1, 5, 11, 55, 2447, 12235, 16493, 26917, 82465, 134585, 181423, 907115, 40358371, 201791855, 443942081, 2219710405]

約数ペア:

[(1, 2219710405), (5, 443942081), (11, 201791855), (55, 40358371), (2447, 907115), (12235, 181423), (16493, 134585), (26917, 82465)]