216939856

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 531669096

約数和(自身を除く): 314729240

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 41, 49, 56, 68, 82, 98, 112, 119, 136, 164, 196, 238, 272, 287, 328, 392, 397, 476, 574, 656, 697, 784, 794, 833, 952, 1148, 1394, 1588, 1666, 1904, 2009, 2296, 2779, 2788, 3176, 3332, 4018, 4592, 4879, 5558, 5576, 6352, 6664, 6749, 8036, 9758, 11116, 11152, 13328, 13498, 16072, 16277, 19453, 19516, 22232, 26996, 32144, 32554, 34153, 38906, 39032, 44464, 47243, 53992, 65108, 68306, 77812, 78064, 94486, 107984, 113939, 130216, 136612, 155624, 188972, 227878, 260432, 273224, 276709, 311248, 330701, 377944, 455756, 546448, 553418, 661402, 755888, 797573, 911512, 1106836, 1322804, 1595146, 1823024, 1936963, 2213672, 2645608, 3190292, 3873926, 4427344, 5291216, 6380584, 7747852, 12761168, 13558741, 15495704, 27117482, 30991408, 54234964, 108469928, 216939856]

約数ペア:

[(1, 216939856), (2, 108469928), (4, 54234964), (7, 30991408), (8, 27117482), (14, 15495704), (16, 13558741), (17, 12761168), (28, 7747852), (34, 6380584), (41, 5291216), (49, 4427344), (56, 3873926), (68, 3190292), (82, 2645608), (98, 2213672), (112, 1936963), (119, 1823024), (136, 1595146), (164, 1322804), (196, 1106836), (238, 911512), (272, 797573), (287, 755888), (328, 661402), (392, 553418), (397, 546448), (476, 455756), (574, 377944), (656, 330701), (697, 311248), (784, 276709), (794, 273224), (833, 260432), (952, 227878), (1148, 188972), (1394, 155624), (1588, 136612), (1666, 130216), (1904, 113939), (2009, 107984), (2296, 94486), (2779, 78064), (2788, 77812), (3176, 68306), (3332, 65108), (4018, 53992), (4592, 47243), (4879, 44464), (5558, 39032), (5576, 38906), (6352, 34153), (6664, 32554), (6749, 32144), (8036, 26996), (9758, 22232), (11116, 19516), (11152, 19453), (13328, 16277), (13498, 16072)]