1489100405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{6857}}^1$

素因数の和:7145

約数の個数: 24

約数和(自身を含む): 1942761672

約数和(自身を除く): 453661267

約数列:

[1, 5, 13, 65, 169, 257, 845, 1285, 3341, 6857, 16705, 34285, 43433, 89141, 217165, 445705, 1158833, 1762249, 5794165, 8811245, 22909237, 114546185, 297820081, 1489100405]

約数ペア:

[(1, 1489100405), (5, 297820081), (13, 114546185), (65, 22909237), (169, 8811245), (257, 5794165), (845, 1762249), (1285, 1158833), (3341, 445705), (6857, 217165), (16705, 89141), (34285, 43433)]