81639948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523333}}^1$

素因数の和:523353

約数の個数: 24

約数和(自身を含む): 205146928

約数和(自身を除く): 123506980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 523333, 1046666, 1569999, 2093332, 3139998, 6279996, 6803329, 13606658, 20409987, 27213316, 40819974, 81639948]

約数ペア:

[(1, 81639948), (2, 40819974), (3, 27213316), (4, 20409987), (6, 13606658), (12, 6803329), (13, 6279996), (26, 3139998), (39, 2093332), (52, 1569999), (78, 1046666), (156, 523333)]