217257156

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{479}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 565044480

約数和(自身を除く): 347787324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 293, 387, 479, 516, 586, 774, 879, 958, 1172, 1437, 1548, 1758, 1916, 2637, 2874, 3516, 4311, 5274, 5748, 8622, 10548, 12599, 17244, 20597, 25198, 37797, 41194, 50396, 61791, 75594, 82388, 113391, 123582, 140347, 151188, 185373, 226782, 247164, 280694, 370746, 421041, 453564, 561388, 741492, 842082, 1263123, 1684164, 2526246, 5052492, 6034921, 12069842, 18104763, 24139684, 36209526, 54314289, 72419052, 108628578, 217257156]

約数ペア:

[(1, 217257156), (2, 108628578), (3, 72419052), (4, 54314289), (6, 36209526), (9, 24139684), (12, 18104763), (18, 12069842), (36, 6034921), (43, 5052492), (86, 2526246), (129, 1684164), (172, 1263123), (258, 842082), (293, 741492), (387, 561388), (479, 453564), (516, 421041), (586, 370746), (774, 280694), (879, 247164), (958, 226782), (1172, 185373), (1437, 151188), (1548, 140347), (1758, 123582), (1916, 113391), (2637, 82388), (2874, 75594), (3516, 61791), (4311, 50396), (5274, 41194), (5748, 37797), (8622, 25198), (10548, 20597), (12599, 17244)]