217128464

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2719}}^1$

素因数の和:2788

約数の個数: 80

約数和(自身を含む): 518062080

約数和(自身を除く): 300933616

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 868, 1288, 1426, 1736, 2576, 2719, 2852, 3472, 4991, 5438, 5704, 9982, 10876, 11408, 19033, 19964, 21752, 38066, 39928, 43504, 62537, 76132, 79856, 84289, 125074, 152264, 168578, 250148, 304528, 337156, 437759, 500296, 590023, 674312, 875518, 1000592, 1180046, 1348624, 1751036, 1938647, 2360092, 3502072, 3877294, 4720184, 7004144, 7754588, 9440368, 13570529, 15509176, 27141058, 31018352, 54282116, 108564232, 217128464]

約数ペア:

[(1, 217128464), (2, 108564232), (4, 54282116), (7, 31018352), (8, 27141058), (14, 15509176), (16, 13570529), (23, 9440368), (28, 7754588), (31, 7004144), (46, 4720184), (56, 3877294), (62, 3502072), (92, 2360092), (112, 1938647), (124, 1751036), (161, 1348624), (184, 1180046), (217, 1000592), (248, 875518), (322, 674312), (368, 590023), (434, 500296), (496, 437759), (644, 337156), (713, 304528), (868, 250148), (1288, 168578), (1426, 152264), (1736, 125074), (2576, 84289), (2719, 79856), (2852, 76132), (3472, 62537), (4991, 43504), (5438, 39928), (5704, 38066), (9982, 21752), (10876, 19964), (11408, 19033)]