87640544

素因数分解:

$2^5\times {\mathrm{137}}^1\times {\mathrm{19991}}^1$

素因数の和:20138

約数の個数: 24

約数和(自身を含む): 173810448

約数和(自身を除く): 86169904

約数列:

[1, 2, 4, 8, 16, 32, 137, 274, 548, 1096, 2192, 4384, 19991, 39982, 79964, 159928, 319856, 639712, 2738767, 5477534, 10955068, 21910136, 43820272, 87640544]

約数ペア:

[(1, 87640544), (2, 43820272), (4, 21910136), (8, 10955068), (16, 5477534), (32, 2738767), (137, 639712), (274, 319856), (548, 159928), (1096, 79964), (2192, 39982), (4384, 19991)]