2478775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 3437280

約数和(自身を除く): 958505

約数列:

[1, 5, 13, 25, 29, 65, 145, 263, 325, 377, 725, 1315, 1885, 3419, 6575, 7627, 9425, 17095, 38135, 85475, 99151, 190675, 495755, 2478775]

約数ペア:

[(1, 2478775), (5, 495755), (13, 190675), (25, 99151), (29, 85475), (65, 38135), (145, 17095), (263, 9425), (325, 7627), (377, 6575), (725, 3419), (1315, 1885)]