31405276

素因数分解:

$2^2\times 7^2\times {\mathrm{160231}}^1$

素因数の和:160249

約数の個数: 18

約数和(自身を含む): 63932568

約数和(自身を除く): 32527292

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 160231, 320462, 640924, 1121617, 2243234, 4486468, 7851319, 15702638, 31405276]

約数ペア:

[(1, 31405276), (2, 15702638), (4, 7851319), (7, 4486468), (14, 2243234), (28, 1121617), (49, 640924), (98, 320462), (196, 160231)]