12718355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 16511040

約数和(自身を除く): 3792685

約数列:

[1, 5, 13, 65, 389, 503, 1945, 2515, 5057, 6539, 25285, 32695, 195667, 978335, 2543671, 12718355]

約数ペア:

[(1, 12718355), (5, 2543671), (13, 978335), (65, 195667), (389, 32695), (503, 25285), (1945, 6539), (2515, 5057)]