218816388

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2046

約数の個数: 144

約数和(自身を含む): 694686720

約数和(自身を除く): 475870332

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 23, 28, 36, 38, 42, 46, 57, 63, 69, 76, 84, 92, 114, 126, 133, 138, 161, 171, 207, 228, 252, 266, 276, 322, 342, 399, 414, 437, 483, 532, 644, 684, 798, 828, 874, 966, 1197, 1311, 1449, 1596, 1748, 1932, 1987, 2394, 2622, 2898, 3059, 3933, 3974, 4788, 5244, 5796, 5961, 6118, 7866, 7948, 9177, 11922, 12236, 13909, 15732, 17883, 18354, 23844, 27531, 27818, 35766, 36708, 37753, 41727, 45701, 55062, 55636, 71532, 75506, 83454, 91402, 110124, 113259, 125181, 137103, 151012, 166908, 182804, 226518, 250362, 264271, 274206, 319907, 339777, 411309, 453036, 500724, 528542, 548412, 639814, 679554, 792813, 822618, 868319, 959721, 1057084, 1279628, 1359108, 1585626, 1645236, 1736638, 1919442, 2378439, 2604957, 2879163, 3171252, 3473276, 3838884, 4756878, 5209914, 5758326, 6078233, 7814871, 9513756, 10419828, 11516652, 12156466, 15629742, 18234699, 24312932, 31259484, 36469398, 54704097, 72938796, 109408194, 218816388]

約数ペア:

[(1, 218816388), (2, 109408194), (3, 72938796), (4, 54704097), (6, 36469398), (7, 31259484), (9, 24312932), (12, 18234699), (14, 15629742), (18, 12156466), (19, 11516652), (21, 10419828), (23, 9513756), (28, 7814871), (36, 6078233), (38, 5758326), (42, 5209914), (46, 4756878), (57, 3838884), (63, 3473276), (69, 3171252), (76, 2879163), (84, 2604957), (92, 2378439), (114, 1919442), (126, 1736638), (133, 1645236), (138, 1585626), (161, 1359108), (171, 1279628), (207, 1057084), (228, 959721), (252, 868319), (266, 822618), (276, 792813), (322, 679554), (342, 639814), (399, 548412), (414, 528542), (437, 500724), (483, 453036), (532, 411309), (644, 339777), (684, 319907), (798, 274206), (828, 264271), (874, 250362), (966, 226518), (1197, 182804), (1311, 166908), (1449, 151012), (1596, 137103), (1748, 125181), (1932, 113259), (1987, 110124), (2394, 91402), (2622, 83454), (2898, 75506), (3059, 71532), (3933, 55636), (3974, 55062), (4788, 45701), (5244, 41727), (5796, 37753), (5961, 36708), (6118, 35766), (7866, 27818), (7948, 27531), (9177, 23844), (11922, 18354), (12236, 17883), (13909, 15732)]