28055951

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 37355520

約数和(自身を除く): 9299569

約数列:

[1, 7, 11, 19, 77, 127, 133, 151, 209, 889, 1057, 1397, 1463, 1661, 2413, 2869, 9779, 11627, 16891, 19177, 20083, 26543, 31559, 134239, 185801, 210947, 220913, 364363, 1476629, 2550541, 4007993, 28055951]

約数ペア:

[(1, 28055951), (7, 4007993), (11, 2550541), (19, 1476629), (77, 364363), (127, 220913), (133, 210947), (151, 185801), (209, 134239), (889, 31559), (1057, 26543), (1397, 20083), (1463, 19177), (1661, 16891), (2413, 11627), (2869, 9779)]