201621785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{4831}}^1$

素因数の和:5344

約数の個数: 16

約数和(自身を含む): 256753152

約数和(自身を除く): 55131367

約数列:

[1, 5, 17, 85, 491, 2455, 4831, 8347, 24155, 41735, 82127, 410635, 2372021, 11860105, 40324357, 201621785]

約数ペア:

[(1, 201621785), (5, 40324357), (17, 11860105), (85, 2372021), (491, 410635), (2455, 82127), (4831, 41735), (8347, 24155)]