81774532

素因数分解:

$2^2\times 7^2\times {\mathrm{417217}}^1$

素因数の和:417235

約数の個数: 18

約数和(自身を含む): 166469982

約数和(自身を除く): 84695450

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 417217, 834434, 1668868, 2920519, 5841038, 11682076, 20443633, 40887266, 81774532]

約数ペア:

[(1, 81774532), (2, 40887266), (4, 20443633), (7, 11682076), (14, 5841038), (28, 2920519), (49, 1668868), (98, 834434), (196, 417217)]