216406.0000000

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{5387}}^1$

素因数の和:5463

約数の個数: 16

約数和(自身を含む): 14030352

約数和(自身を除く): 5486570

約数列:

[1, 2, 13, 26, 61, 122, 793, 1586, 5387, 10774, 70031, 140062, 328607, 657214, 4271891, 8543782]

約数ペア:

[(1, 8543782), (2, 4271891), (13, 657214), (26, 328607), (61, 140062), (122, 70031), (793, 10774), (1586, 5387)]