78638064904

素因数分解:

$2^3\times 7^1\times {\mathrm{1404251159}}^1$

素因数の和:1404251172

約数の個数: 16

約数和(自身を含む): 168510139200

約数和(自身を除く): 89872074296

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1404251159, 2808502318, 5617004636, 9829758113, 11234009272, 19659516226, 39319032452, 78638064904]

約数ペア:

[(1, 78638064904), (2, 39319032452), (4, 19659516226), (7, 11234009272), (8, 9829758113), (14, 5617004636), (28, 2808502318), (56, 1404251159)]