669997.0000000

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 6566400

約数和(自身を除く): 2406022

約数列:

[1, 2, 23, 46, 149, 298, 607, 1214, 3427, 6854, 13961, 27922, 90443, 180886, 2080189, 4160378]

約数ペア:

[(1, 4160378), (2, 2080189), (23, 180886), (46, 90443), (149, 27922), (298, 13961), (607, 6854), (1214, 3427)]