647322

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 1434048

約数和(自身を除く): 786726

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 193, 258, 386, 559, 579, 1118, 1158, 1677, 2509, 3354, 5018, 7527, 8299, 15054, 16598, 24897, 49794, 107887, 215774, 323661, 647322]

約数ペア:

[(1, 647322), (2, 323661), (3, 215774), (6, 107887), (13, 49794), (26, 24897), (39, 16598), (43, 15054), (78, 8299), (86, 7527), (129, 5018), (193, 3354), (258, 2509), (386, 1677), (559, 1158), (579, 1118)]