64638847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{16519}}^1$

素因数の和:16582

約数の個数: 16

約数和(自身を含む): 81410560

約数和(自身を除く): 16771713

約数列:

[1, 7, 13, 43, 91, 301, 559, 3913, 16519, 115633, 214747, 710317, 1503229, 4972219, 9234121, 64638847]

約数ペア:

[(1, 64638847), (7, 9234121), (13, 4972219), (43, 1503229), (91, 710317), (301, 214747), (559, 115633), (3913, 16519)]