81166208

素因数分解:

$2^7\times {\mathrm{127}}^1\times {\mathrm{4993}}^1$

素因数の和:5134

約数の個数: 32

約数和(自身を含む): 163004160

約数和(自身を除く): 81837952

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 254, 508, 1016, 2032, 4064, 4993, 8128, 9986, 16256, 19972, 39944, 79888, 159776, 319552, 634111, 639104, 1268222, 2536444, 5072888, 10145776, 20291552, 40583104, 81166208]

約数ペア:

[(1, 81166208), (2, 40583104), (4, 20291552), (8, 10145776), (16, 5072888), (32, 2536444), (64, 1268222), (127, 639104), (128, 634111), (254, 319552), (508, 159776), (1016, 79888), (2032, 39944), (4064, 19972), (4993, 16256), (8128, 9986)]