2145898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:549

約数の個数: 16

約数和(自身を含む): 3420000

約数和(自身を除く): 1274102

約数列:

[1, 2, 19, 38, 149, 298, 379, 758, 2831, 5662, 7201, 14402, 56471, 112942, 1072949, 2145898]

約数ペア:

[(1, 2145898), (2, 1072949), (19, 112942), (38, 56471), (149, 14402), (298, 7201), (379, 5662), (758, 2831)]