208291252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{20333}}^1$

素因数の和:20547

約数の個数: 24

約数和(自身を含む): 394560936

約数和(自身を除く): 186269684

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 10244, 20333, 40666, 81332, 264329, 528658, 1057316, 4005601, 8011202, 16022404, 52072813, 104145626, 208291252]

約数ペア:

[(1, 208291252), (2, 104145626), (4, 52072813), (13, 16022404), (26, 8011202), (52, 4005601), (197, 1057316), (394, 528658), (788, 264329), (2561, 81332), (5122, 40666), (10244, 20333)]