81815918

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{1693}}^1$

素因数の和:2099

約数の個数: 16

約数和(自身を含む): 124854576

約数和(自身を除く): 43038658

約数列:

[1, 2, 73, 146, 331, 662, 1693, 3386, 24163, 48326, 123589, 247178, 560383, 1120766, 40907959, 81815918]

約数ペア:

[(1, 81815918), (2, 40907959), (73, 1120766), (146, 560383), (331, 247178), (662, 123589), (1693, 48326), (3386, 24163)]