261189721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{6203}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 291836160

約数和(自身を除く): 30646439

約数列:

[1, 13, 41, 79, 533, 1027, 3239, 6203, 42107, 80639, 254323, 490037, 3306199, 6370481, 20091517, 261189721]

約数ペア:

[(1, 261189721), (13, 20091517), (41, 6370481), (79, 3306199), (533, 490037), (1027, 254323), (3239, 80639), (6203, 42107)]