2691455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:946

約数の個数: 16

約数和(自身を含む): 3556224

約数和(自身を除く): 864769

約数列:

[1, 5, 13, 47, 65, 235, 611, 881, 3055, 4405, 11453, 41407, 57265, 207035, 538291, 2691455]

約数ペア:

[(1, 2691455), (5, 538291), (13, 207035), (47, 57265), (65, 41407), (235, 11453), (611, 4405), (881, 3055)]