12121912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 24998400

約数和(自身を除く): 12876488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 991, 1112, 1529, 1982, 3058, 3964, 6116, 7928, 10901, 12232, 21802, 43604, 87208, 137749, 275498, 550996, 1101992, 1515239, 3030478, 6060956, 12121912]

約数ペア:

[(1, 12121912), (2, 6060956), (4, 3030478), (8, 1515239), (11, 1101992), (22, 550996), (44, 275498), (88, 137749), (139, 87208), (278, 43604), (556, 21802), (991, 12232), (1112, 10901), (1529, 7928), (1982, 6116), (3058, 3964)]