2809044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 8281728

約数和(自身を除く): 5472684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 126, 142, 157, 213, 252, 284, 314, 426, 471, 497, 628, 639, 852, 942, 994, 1099, 1278, 1413, 1491, 1884, 1988, 2198, 2556, 2826, 2982, 3297, 4396, 4473, 5652, 5964, 6594, 8946, 9891, 11147, 13188, 17892, 19782, 22294, 33441, 39564, 44588, 66882, 78029, 100323, 133764, 156058, 200646, 234087, 312116, 401292, 468174, 702261, 936348, 1404522, 2809044]

約数ペア:

[(1, 2809044), (2, 1404522), (3, 936348), (4, 702261), (6, 468174), (7, 401292), (9, 312116), (12, 234087), (14, 200646), (18, 156058), (21, 133764), (28, 100323), (36, 78029), (42, 66882), (63, 44588), (71, 39564), (84, 33441), (126, 22294), (142, 19782), (157, 17892), (213, 13188), (252, 11147), (284, 9891), (314, 8946), (426, 6594), (471, 5964), (497, 5652), (628, 4473), (639, 4396), (852, 3297), (942, 2982), (994, 2826), (1099, 2556), (1278, 2198), (1413, 1988), (1491, 1884)]