81352870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{428173}}^1$

素因数の和:428199

約数の個数: 16

約数和(自身を含む): 154142640

約数和(自身を除く): 72789770

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 428173, 856346, 2140865, 4281730, 8135287, 16270574, 40676435, 81352870]

約数ペア:

[(1, 81352870), (2, 40676435), (5, 16270574), (10, 8135287), (19, 4281730), (38, 2140865), (95, 856346), (190, 428173)]