664796626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1\times {\mathrm{20771}}^1$

素因数の和:22017

約数の個数: 16

約数和(自身を含む): 1074826368

約数和(自身を除く): 410029742

約数列:

[1, 2, 13, 26, 1231, 2462, 16003, 20771, 32006, 41542, 270023, 540046, 25569101, 51138202, 332398313, 664796626]

約数ペア:

[(1, 664796626), (2, 332398313), (13, 51138202), (26, 25569101), (1231, 540046), (2462, 270023), (16003, 41542), (20771, 32006)]