28420306

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{761}}^1$

素因数の和:1097

約数の個数: 16

約数和(自身を含む): 43452288

約数和(自身を除く): 15031982

約数列:

[1, 2, 71, 142, 263, 526, 761, 1522, 18673, 37346, 54031, 108062, 200143, 400286, 14210153, 28420306]

約数ペア:

[(1, 28420306), (2, 14210153), (71, 400286), (142, 200143), (263, 108062), (526, 54031), (761, 37346), (1522, 18673)]