72920168

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{66533}}^1$

素因数の和:66676

約数の個数: 16

約数和(自身を含む): 137725380

約数和(自身を除く): 64805212

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 66533, 133066, 266132, 532264, 9115021, 18230042, 36460084, 72920168]

約数ペア:

[(1, 72920168), (2, 36460084), (4, 18230042), (8, 9115021), (137, 532264), (274, 266132), (548, 133066), (1096, 66533)]