81819710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{166979}}^1$

素因数の和:167000

約数の個数: 24

約数和(自身を含む): 171321480

約数和(自身を除く): 89501770

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 166979, 333958, 834895, 1168853, 1669790, 2337706, 5844265, 8181971, 11688530, 16363942, 40909855, 81819710]

約数ペア:

[(1, 81819710), (2, 40909855), (5, 16363942), (7, 11688530), (10, 8181971), (14, 5844265), (35, 2337706), (49, 1669790), (70, 1168853), (98, 834895), (245, 333958), (490, 166979)]