12940508

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{641}}^1$

素因数の和:762

約数の個数: 36

約数和(自身を含む): 26640432

約数和(自身を除く): 13699924

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 641, 721, 1282, 1442, 2564, 2884, 4487, 5047, 8974, 10094, 17948, 20188, 31409, 62818, 66023, 125636, 132046, 264092, 462161, 924322, 1848644, 3235127, 6470254, 12940508]

約数ペア:

[(1, 12940508), (2, 6470254), (4, 3235127), (7, 1848644), (14, 924322), (28, 462161), (49, 264092), (98, 132046), (103, 125636), (196, 66023), (206, 62818), (412, 31409), (641, 20188), (721, 17948), (1282, 10094), (1442, 8974), (2564, 5047), (2884, 4487)]