201997328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971141}}^1$

素因数の和:971162

約数の個数: 20

約数和(自身を含む): 421475628

約数和(自身を除く): 219478300

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971141, 1942282, 3884564, 7769128, 12624833, 15538256, 25249666, 50499332, 100998664, 201997328]

約数ペア:

[(1, 201997328), (2, 100998664), (4, 50499332), (8, 25249666), (13, 15538256), (16, 12624833), (26, 7769128), (52, 3884564), (104, 1942282), (208, 971141)]