13978525

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{4621}}^1$

素因数の和:4653

約数の個数: 18

約数和(自身を含む): 19056506

約数和(自身を除く): 5077981

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 4621, 23105, 50831, 115525, 254155, 559141, 1270775, 2795705, 13978525]

約数ペア:

[(1, 13978525), (5, 2795705), (11, 1270775), (25, 559141), (55, 254155), (121, 115525), (275, 50831), (605, 23105), (3025, 4621)]