387759832990

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{99681191}}^1$

素因数の和:99681587

約数の個数: 16

約数和(自身を含む): 699761967840

約数和(自身を除く): 312002134850

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 99681191, 199362382, 498405955, 996811910, 38775983299, 77551966598, 193879916495, 387759832990]

約数ペア:

[(1, 387759832990), (2, 193879916495), (5, 77551966598), (10, 38775983299), (389, 996811910), (778, 498405955), (1945, 199362382), (3890, 99681191)]