28522268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 54825120

約数和(自身を除く): 26302852

約数列:

[1, 2, 4, 19, 38, 53, 73, 76, 97, 106, 146, 194, 212, 292, 388, 1007, 1387, 1843, 2014, 2774, 3686, 3869, 4028, 5141, 5548, 7081, 7372, 7738, 10282, 14162, 15476, 20564, 28324, 73511, 97679, 134539, 147022, 195358, 269078, 294044, 375293, 390716, 538156, 750586, 1501172, 7130567, 14261134, 28522268]

約数ペア:

[(1, 28522268), (2, 14261134), (4, 7130567), (19, 1501172), (38, 750586), (53, 538156), (73, 390716), (76, 375293), (97, 294044), (106, 269078), (146, 195358), (194, 147022), (212, 134539), (292, 97679), (388, 73511), (1007, 28324), (1387, 20564), (1843, 15476), (2014, 14162), (2774, 10282), (3686, 7738), (3869, 7372), (4028, 7081), (5141, 5548)]