81870190

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{282311}}^1$

素因数の和:282347

約数の個数: 16

約数和(自身を含む): 152448480

約数和(自身を除く): 70578290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 282311, 564622, 1411555, 2823110, 8187019, 16374038, 40935095, 81870190]

約数ペア:

[(1, 81870190), (2, 40935095), (5, 16374038), (10, 8187019), (29, 2823110), (58, 1411555), (145, 564622), (290, 282311)]