64640395

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{7333}}^1$

素因数の和:7422

約数の個数: 16

約数和(自身を含む): 81319392

約数和(自身を除く): 16678997

約数列:

[1, 5, 41, 43, 205, 215, 1763, 7333, 8815, 36665, 300653, 315319, 1503265, 1576595, 12928079, 64640395]

約数ペア:

[(1, 64640395), (5, 12928079), (41, 1576595), (43, 1503265), (205, 315319), (215, 300653), (1763, 36665), (7333, 8815)]