78891455

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{12653}}^1$

素因数の和:12730

約数の個数: 16

約数和(自身を含む): 100219680

約数和(自身を除く): 21328225

約数列:

[1, 5, 29, 43, 145, 215, 1247, 6235, 12653, 63265, 366937, 544079, 1834685, 2720395, 15778291, 78891455]

約数ペア:

[(1, 78891455), (5, 15778291), (29, 2720395), (43, 1834685), (145, 544079), (215, 366937), (1247, 63265), (6235, 12653)]