439556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 846720

約数和(自身を除く): 407164

約数列:

[1, 2, 4, 13, 26, 52, 79, 107, 158, 214, 316, 428, 1027, 1391, 2054, 2782, 4108, 5564, 8453, 16906, 33812, 109889, 219778, 439556]

約数ペア:

[(1, 439556), (2, 219778), (4, 109889), (13, 33812), (26, 16906), (52, 8453), (79, 5564), (107, 4108), (158, 2782), (214, 2054), (316, 1391), (428, 1027)]