15721739830

素因数分解:

$2^1\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{995677}}^1$

素因数の和:997263

約数の個数: 16

約数和(自身を含む): 28317082320

約数和(自身を除く): 12595342490

約数列:

[1, 2, 5, 10, 1579, 3158, 7895, 15790, 995677, 1991354, 4978385, 9956770, 1572173983, 3144347966, 7860869915, 15721739830]

約数ペア:

[(1, 15721739830), (2, 7860869915), (5, 3144347966), (10, 1572173983), (1579, 9956770), (3158, 4978385), (7895, 1991354), (15790, 995677)]