218510964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{709}}^1\times {\mathrm{1223}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 632661120

約数和(自身を除く): 414150156

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 709, 1223, 1418, 2127, 2446, 2836, 3669, 4254, 4892, 4963, 6381, 7338, 8508, 8561, 9926, 11007, 12762, 14676, 14889, 17122, 19852, 22014, 25524, 25683, 29778, 34244, 44028, 44667, 51366, 59556, 77049, 89334, 102732, 154098, 178668, 308196, 867107, 1734214, 2601321, 3468428, 5202642, 6069749, 7803963, 10405284, 12139498, 15607926, 18209247, 24278996, 31215852, 36418494, 54627741, 72836988, 109255482, 218510964]

約数ペア:

[(1, 218510964), (2, 109255482), (3, 72836988), (4, 54627741), (6, 36418494), (7, 31215852), (9, 24278996), (12, 18209247), (14, 15607926), (18, 12139498), (21, 10405284), (28, 7803963), (36, 6069749), (42, 5202642), (63, 3468428), (84, 2601321), (126, 1734214), (252, 867107), (709, 308196), (1223, 178668), (1418, 154098), (2127, 102732), (2446, 89334), (2836, 77049), (3669, 59556), (4254, 51366), (4892, 44667), (4963, 44028), (6381, 34244), (7338, 29778), (8508, 25683), (8561, 25524), (9926, 22014), (11007, 19852), (12762, 17122), (14676, 14889)]