1239780836

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{725867}}^1$

素因数の和:725939

約数の個数: 24

約数和(自身を含む): 2520213696

約数和(自身を除く): 1280432860

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 725867, 1451734, 2903468, 5081069, 10162138, 20324276, 44277887, 88555774, 177111548, 309945209, 619890418, 1239780836]

約数ペア:

[(1, 1239780836), (2, 619890418), (4, 309945209), (7, 177111548), (14, 88555774), (28, 44277887), (61, 20324276), (122, 10162138), (244, 5081069), (427, 2903468), (854, 1451734), (1708, 725867)]