1999771018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{41681}}^1$

素因数の和:41862

約数の個数: 32

約数和(自身を含む): 3601324800

約数和(自身を除く): 1601553782

約数列:

[1, 2, 7, 14, 23, 46, 149, 161, 298, 322, 1043, 2086, 3427, 6854, 23989, 41681, 47978, 83362, 291767, 583534, 958663, 1917326, 6210469, 6710641, 12420938, 13421282, 43473283, 86946566, 142840787, 285681574, 999885509, 1999771018]

約数ペア:

[(1, 1999771018), (2, 999885509), (7, 285681574), (14, 142840787), (23, 86946566), (46, 43473283), (149, 13421282), (161, 12420938), (298, 6710641), (322, 6210469), (1043, 1917326), (2086, 958663), (3427, 583534), (6854, 291767), (23989, 83362), (41681, 47978)]