28451605

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8933}}^1$

素因数の和:8965

約数の個数: 24

約数和(自身を含む): 42775992

約数和(自身を除く): 14324387

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8933, 44665, 62531, 116129, 312655, 437717, 580645, 812903, 2188585, 4064515, 5690321, 28451605]

約数ペア:

[(1, 28451605), (5, 5690321), (7, 4064515), (13, 2188585), (35, 812903), (49, 580645), (65, 437717), (91, 312655), (245, 116129), (455, 62531), (637, 44665), (3185, 8933)]