28681015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{811}}^1$

素因数の和:1470

約数の個数: 16

約数和(自身を含む): 37650816

約数和(自身を除く): 8969801

約数列:

[1, 5, 11, 55, 643, 811, 3215, 4055, 7073, 8921, 35365, 44605, 521473, 2607365, 5736203, 28681015]

約数ペア:

[(1, 28681015), (5, 5736203), (11, 2607365), (55, 521473), (643, 44605), (811, 35365), (3215, 8921), (4055, 7073)]