215539668

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{20717}}^1$

素因数の和:20761

約数の個数: 54

約数和(自身を含む): 578798766

約数和(自身を除く): 363259098

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 289, 306, 578, 612, 867, 1156, 1734, 2601, 3468, 5202, 10404, 20717, 41434, 62151, 82868, 124302, 186453, 248604, 352189, 372906, 704378, 745812, 1056567, 1408756, 2113134, 3169701, 4226268, 5987213, 6339402, 11974426, 12678804, 17961639, 23948852, 35923278, 53884917, 71846556, 107769834, 215539668]

約数ペア:

[(1, 215539668), (2, 107769834), (3, 71846556), (4, 53884917), (6, 35923278), (9, 23948852), (12, 17961639), (17, 12678804), (18, 11974426), (34, 6339402), (36, 5987213), (51, 4226268), (68, 3169701), (102, 2113134), (153, 1408756), (204, 1056567), (289, 745812), (306, 704378), (578, 372906), (612, 352189), (867, 248604), (1156, 186453), (1734, 124302), (2601, 82868), (3468, 62151), (5202, 41434), (10404, 20717)]