1581028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 2963520

約数和(自身を除く): 1382492

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 293, 586, 1172, 1349, 2698, 5396, 5567, 11134, 20803, 22268, 41606, 83212, 395257, 790514, 1581028]

約数ペア:

[(1, 1581028), (2, 790514), (4, 395257), (19, 83212), (38, 41606), (71, 22268), (76, 20803), (142, 11134), (284, 5567), (293, 5396), (586, 2698), (1172, 1349)]