221873064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{10399}}^1$

素因数の和:10542

約数の個数: 64

約数和(自身を含む): 638976000

約数和(自身を除く): 417102936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 127, 168, 254, 381, 508, 762, 889, 1016, 1524, 1778, 2667, 3048, 3556, 5334, 7112, 10399, 10668, 20798, 21336, 31197, 41596, 62394, 72793, 83192, 124788, 145586, 218379, 249576, 291172, 436758, 582344, 873516, 1320673, 1747032, 2641346, 3962019, 5282692, 7924038, 9244711, 10565384, 15848076, 18489422, 27734133, 31696152, 36978844, 55468266, 73957688, 110936532, 221873064]

約数ペア:

[(1, 221873064), (2, 110936532), (3, 73957688), (4, 55468266), (6, 36978844), (7, 31696152), (8, 27734133), (12, 18489422), (14, 15848076), (21, 10565384), (24, 9244711), (28, 7924038), (42, 5282692), (56, 3962019), (84, 2641346), (127, 1747032), (168, 1320673), (254, 873516), (381, 582344), (508, 436758), (762, 291172), (889, 249576), (1016, 218379), (1524, 145586), (1778, 124788), (2667, 83192), (3048, 72793), (3556, 62394), (5334, 41596), (7112, 31197), (10399, 21336), (10668, 20798)]