16813355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6991}}^1$

素因数の和:7046

約数の個数: 16

約数和(自身を含む): 22318464

約数和(自身を除く): 5505109

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 6991, 34955, 90883, 258667, 454415, 1293335, 3362671, 16813355]

約数ペア:

[(1, 16813355), (5, 3362671), (13, 1293335), (37, 454415), (65, 258667), (185, 90883), (481, 34955), (2405, 6991)]