81728782

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1\times {\mathrm{1723}}^1$

素因数の和:2403

約数の個数: 16

約数和(自身を含む): 126176112

約数和(自身を除く): 44447330

約数列:

[1, 2, 37, 74, 641, 1282, 1723, 3446, 23717, 47434, 63751, 127502, 1104443, 2208886, 40864391, 81728782]

約数ペア:

[(1, 81728782), (2, 40864391), (37, 2208886), (74, 1104443), (641, 127502), (1282, 63751), (1723, 47434), (3446, 23717)]