261212231279

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1\times {\mathrm{374681}}^1$

素因数の和:375278

約数の個数: 16

約数和(自身を含む): 276437382144

約数和(自身を除く): 15225150865

約数列:

[1, 31, 43, 523, 1333, 16213, 22489, 374681, 697159, 11615111, 16111283, 195958163, 499449773, 6074703053, 8426201009, 261212231279]

約数ペア:

[(1, 261212231279), (31, 8426201009), (43, 6074703053), (523, 499449773), (1333, 195958163), (16213, 16111283), (22489, 11615111), (374681, 697159)]