6666665

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 8640000

約数和(自身を除く): 1973335

約数列:

[1, 5, 23, 29, 115, 145, 667, 1999, 3335, 9995, 45977, 57971, 229885, 289855, 1333333, 6666665]

約数ペア:

[(1, 6666665), (5, 1333333), (23, 289855), (29, 229885), (115, 57971), (145, 45977), (667, 9995), (1999, 3335)]