81372172

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{54833}}^1$

素因数の和:54897

約数の個数: 24

約数和(自身を含む): 165818016

約数和(自身を除く): 84445844

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 54833, 109666, 219332, 383831, 767662, 1535324, 2906149, 5812298, 11624596, 20343043, 40686086, 81372172]

約数ペア:

[(1, 81372172), (2, 40686086), (4, 20343043), (7, 11624596), (14, 5812298), (28, 2906149), (53, 1535324), (106, 767662), (212, 383831), (371, 219332), (742, 109666), (1484, 54833)]