72808856

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{171719}}^1$

素因数の和:171778

約数の個数: 16

約数和(自身を含む): 139093200

約数和(自身を除く): 66284344

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 171719, 343438, 686876, 1373752, 9101107, 18202214, 36404428, 72808856]

約数ペア:

[(1, 72808856), (2, 36404428), (4, 18202214), (8, 9101107), (53, 1373752), (106, 686876), (212, 343438), (424, 171719)]