15920228728

素因数分解:

$2^3\times {\mathrm{1601}}^1\times {\mathrm{1242991}}^1$

素因数の和:1244598

約数の個数: 16

約数和(自身を含む): 29869097760

約数和(自身を除く): 13948869032

約数列:

[1, 2, 4, 8, 1601, 3202, 6404, 12808, 1242991, 2485982, 4971964, 9943928, 1990028591, 3980057182, 7960114364, 15920228728]

約数ペア:

[(1, 15920228728), (2, 7960114364), (4, 3980057182), (8, 1990028591), (1601, 9943928), (3202, 4971964), (6404, 2485982), (12808, 1242991)]