1339206025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{39887}}^1$

素因数の和:39993

約数の個数: 24

約数和(自身を含む): 1780600320

約数和(自身を除く): 441394295

約数列:

[1, 5, 17, 25, 79, 85, 395, 425, 1343, 1975, 6715, 33575, 39887, 199435, 678079, 997175, 3151073, 3390395, 15755365, 16951975, 53568241, 78776825, 267841205, 1339206025]

約数ペア:

[(1, 1339206025), (5, 267841205), (17, 78776825), (25, 53568241), (79, 16951975), (85, 15755365), (395, 3390395), (425, 3151073), (1343, 997175), (1975, 678079), (6715, 199435), (33575, 39887)]