252868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1$

素因数の和:843

約数の個数: 24

約数和(自身を含む): 552384

約数和(自身を除く): 299516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 821, 1642, 3284, 5747, 9031, 11494, 18062, 22988, 36124, 63217, 126434, 252868]

約数ペア:

[(1, 252868), (2, 126434), (4, 63217), (7, 36124), (11, 22988), (14, 18062), (22, 11494), (28, 9031), (44, 5747), (77, 3284), (154, 1642), (308, 821)]