1331390978

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{2377}}^1\times {\mathrm{2719}}^1$

素因数の和:5201

約数の個数: 16

約数和(自身を含む): 2018065920

約数和(自身を除く): 686674942

約数列:

[1, 2, 103, 206, 2377, 2719, 4754, 5438, 244831, 280057, 489662, 560114, 6463063, 12926126, 665695489, 1331390978]

約数ペア:

[(1, 1331390978), (2, 665695489), (103, 12926126), (206, 6463063), (2377, 560114), (2719, 489662), (4754, 280057), (5438, 244831)]