16166371

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 18

約数和(自身を含む): 18652092

約数和(自身を除く): 2485721

約数列:

[1, 13, 17, 169, 221, 289, 331, 2873, 3757, 4303, 5627, 48841, 55939, 73151, 95659, 950963, 1243567, 16166371]

約数ペア:

[(1, 16166371), (13, 1243567), (17, 950963), (169, 95659), (221, 73151), (289, 55939), (331, 48841), (2873, 5627), (3757, 4303)]