987367090

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{234529}}^1$

素因数の和:234957

約数の個数: 16

約数和(自身を含む): 1781489880

約数和(自身を除く): 794122790

約数列:

[1, 2, 5, 10, 421, 842, 2105, 4210, 234529, 469058, 1172645, 2345290, 98736709, 197473418, 493683545, 987367090]

約数ペア:

[(1, 987367090), (2, 493683545), (5, 197473418), (10, 98736709), (421, 2345290), (842, 1172645), (2105, 469058), (4210, 234529)]