81987926

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{40709}}^1$

素因数の和:40783

約数の個数: 16

約数和(自身を含む): 131900400

約数和(自身を除く): 49912474

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 40709, 81418, 773471, 1546942, 2157577, 4315154, 40993963, 81987926]

約数ペア:

[(1, 81987926), (2, 40993963), (19, 4315154), (38, 2157577), (53, 1546942), (106, 773471), (1007, 81418), (2014, 40709)]