81423646

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{4397}}^1$

素因数の和:4643

約数の個数: 16

約数和(自身を含む): 125395776

約数和(自身を除く): 43972130

約数列:

[1, 2, 47, 94, 197, 394, 4397, 8794, 9259, 18518, 206659, 413318, 866209, 1732418, 40711823, 81423646]

約数ペア:

[(1, 81423646), (2, 40711823), (47, 1732418), (94, 866209), (197, 413318), (394, 206659), (4397, 18518), (8794, 9259)]