818204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 1507968

約数和(自身を除く): 689764

約数列:

[1, 2, 4, 43, 67, 71, 86, 134, 142, 172, 268, 284, 2881, 3053, 4757, 5762, 6106, 9514, 11524, 12212, 19028, 204551, 409102, 818204]

約数ペア:

[(1, 818204), (2, 409102), (4, 204551), (43, 19028), (67, 12212), (71, 11524), (86, 9514), (134, 6106), (142, 5762), (172, 4757), (268, 3053), (284, 2881)]