221707085

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4493}}^1$

素因数の和:4708

約数の個数: 16

約数和(自身を含む): 271797120

約数和(自身を除く): 50090035

約数列:

[1, 5, 71, 139, 355, 695, 4493, 9869, 22465, 49345, 319003, 624527, 1595015, 3122635, 44341417, 221707085]

約数ペア:

[(1, 221707085), (5, 44341417), (71, 3122635), (139, 1595015), (355, 624527), (695, 319003), (4493, 49345), (9869, 22465)]