217521336

素因数分解:

$2^3\times 3^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 553190400

約数和(自身を除く): 335669064

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 97, 194, 223, 291, 388, 419, 446, 582, 669, 776, 838, 892, 1164, 1257, 1338, 1676, 1784, 2328, 2514, 2676, 3352, 5028, 5352, 10056, 21631, 40643, 43262, 64893, 81286, 86524, 93437, 121929, 129786, 162572, 173048, 186874, 243858, 259572, 280311, 325144, 373748, 487716, 519144, 560622, 747496, 975432, 1121244, 2242488, 9063389, 18126778, 27190167, 36253556, 54380334, 72507112, 108760668, 217521336]

約数ペア:

[(1, 217521336), (2, 108760668), (3, 72507112), (4, 54380334), (6, 36253556), (8, 27190167), (12, 18126778), (24, 9063389), (97, 2242488), (194, 1121244), (223, 975432), (291, 747496), (388, 560622), (419, 519144), (446, 487716), (582, 373748), (669, 325144), (776, 280311), (838, 259572), (892, 243858), (1164, 186874), (1257, 173048), (1338, 162572), (1676, 129786), (1784, 121929), (2328, 93437), (2514, 86524), (2676, 81286), (3352, 64893), (5028, 43262), (5352, 40643), (10056, 21631)]