1388513812

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{356761}}^1$

素因数の和:356911

約数の個数: 24

約数和(自身を含む): 2797014080

約数和(自身を除く): 1408500268

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 356761, 713522, 1427044, 2497327, 4994654, 9989308, 49589779, 99179558, 198359116, 347128453, 694256906, 1388513812]

約数ペア:

[(1, 1388513812), (2, 694256906), (4, 347128453), (7, 198359116), (14, 99179558), (28, 49589779), (139, 9989308), (278, 4994654), (556, 2497327), (973, 1427044), (1946, 713522), (3892, 356761)]