15388219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8730

約数の個数: 16

約数和(自身を含む): 20021760

約数和(自身を除く): 4633541

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 8689, 60823, 95579, 199847, 669053, 1398929, 2198317, 15388219]

約数ペア:

[(1, 15388219), (7, 2198317), (11, 1398929), (23, 669053), (77, 199847), (161, 95579), (253, 60823), (1771, 8689)]