646720286654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{6653}}^1\times {\mathrm{3738743}}^1$

素因数の和:3745411

約数の個数: 16

約数和(自身を含む): 1044859308192

約数和(自身を除く): 398139021538

約数列:

[1, 2, 13, 26, 6653, 13306, 86489, 172978, 3738743, 7477486, 48603659, 97207318, 24873857179, 49747714358, 323360143327, 646720286654]

約数ペア:

[(1, 646720286654), (2, 323360143327), (13, 49747714358), (26, 24873857179), (6653, 97207318), (13306, 48603659), (86489, 7477486), (172978, 3738743)]