1900808519071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1559}}^1\times {\mathrm{16477}}^1$

素因数の和:18116

約数の個数: 48

約数和(自身を含む): 2450471063040

約数和(自身を除く): 549662543969

約数列:

[1, 7, 11, 31, 77, 217, 341, 961, 1559, 2387, 6727, 10571, 10913, 16477, 17149, 48329, 73997, 115339, 120043, 181247, 338303, 510787, 531619, 1268729, 1498199, 3575509, 3721333, 5618657, 10487393, 15834397, 16480189, 25687643, 39330599, 110840779, 115361323, 174178367, 179813501, 282564073, 796316933, 1219248569, 1977948511, 5574218531, 8759486263, 24685824923, 61316403841, 172800774461, 271544074153, 1900808519071]

約数ペア:

[(1, 1900808519071), (7, 271544074153), (11, 172800774461), (31, 61316403841), (77, 24685824923), (217, 8759486263), (341, 5574218531), (961, 1977948511), (1559, 1219248569), (2387, 796316933), (6727, 282564073), (10571, 179813501), (10913, 174178367), (16477, 115361323), (17149, 110840779), (48329, 39330599), (73997, 25687643), (115339, 16480189), (120043, 15834397), (181247, 10487393), (338303, 5618657), (510787, 3721333), (531619, 3575509), (1268729, 1498199)]