640970295033

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{21841}}^1\times {\mathrm{227497}}^1$

素因数の和:249384

約数の個数: 16

約数和(自身を含む): 874545991616

約数和(自身を除く): 233575696583

約数列:

[1, 3, 43, 129, 21841, 65523, 227497, 682491, 939163, 2817489, 9782371, 29347113, 4968761977, 14906285931, 213656765011, 640970295033]

約数ペア:

[(1, 640970295033), (3, 213656765011), (43, 14906285931), (129, 4968761977), (21841, 29347113), (65523, 9782371), (227497, 2817489), (682491, 939163)]