78772170670

素因数分解:

$2^1\times 5^1\times {\mathrm{19577}}^1\times {\mathrm{402371}}^1$

素因数の和:421955

約数の個数: 16

約数和(自身を含む): 141797502288

約数和(自身を除く): 63025331618

約数列:

[1, 2, 5, 10, 19577, 39154, 97885, 195770, 402371, 804742, 2011855, 4023710, 7877217067, 15754434134, 39386085335, 78772170670]

約数ペア:

[(1, 78772170670), (2, 39386085335), (5, 15754434134), (10, 7877217067), (19577, 4023710), (39154, 2011855), (97885, 804742), (195770, 402371)]