81472385

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4177}}^1$

素因数の和:4312

約数の個数: 16

約数和(自身を含む): 101074176

約数和(自身を除く): 19601791

約数列:

[1, 5, 47, 83, 235, 415, 3901, 4177, 19505, 20885, 196319, 346691, 981595, 1733455, 16294477, 81472385]

約数ペア:

[(1, 81472385), (5, 16294477), (47, 1733455), (83, 981595), (235, 346691), (415, 196319), (3901, 20885), (4177, 19505)]