681738145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{652381}}^1$

素因数の和:652416

約数の個数: 16

約数和(自身を含む): 939430080

約数和(自身を除く): 257691935

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 652381, 3261905, 7176191, 12395239, 35880955, 61976195, 136347629, 681738145]

約数ペア:

[(1, 681738145), (5, 136347629), (11, 61976195), (19, 35880955), (55, 12395239), (95, 7176191), (209, 3261905), (1045, 652381)]