1331240495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{198841}}^1$

素因数の和:198962

約数の個数: 16

約数和(自身を含む): 1737083712

約数和(自身を除く): 405843217

約数列:

[1, 5, 13, 65, 103, 515, 1339, 6695, 198841, 994205, 2584933, 12924665, 20480623, 102403115, 266248099, 1331240495]

約数ペア:

[(1, 1331240495), (5, 266248099), (13, 102403115), (65, 20480623), (103, 12924665), (515, 2584933), (1339, 994205), (6695, 198841)]