208978968

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:553

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 389773032

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 43, 44, 66, 82, 86, 88, 123, 129, 132, 164, 172, 246, 258, 264, 328, 344, 449, 451, 473, 492, 516, 898, 902, 946, 984, 1032, 1347, 1353, 1419, 1763, 1796, 1804, 1892, 2694, 2706, 2838, 3526, 3592, 3608, 3784, 4939, 5289, 5388, 5412, 5676, 7052, 9878, 10578, 10776, 10824, 11352, 14104, 14817, 18409, 19307, 19393, 19756, 21156, 29634, 36818, 38614, 38786, 39512, 42312, 55227, 57921, 58179, 59268, 73636, 77228, 77572, 110454, 115842, 116358, 118536, 147272, 154456, 155144, 202499, 212377, 220908, 231684, 232716, 404998, 424754, 441816, 463368, 465432, 607497, 637131, 791587, 809996, 849508, 1214994, 1274262, 1583174, 1619992, 1699016, 2374761, 2429988, 2548524, 3166348, 4749522, 4859976, 5097048, 6332696, 8707457, 9499044, 17414914, 18998088, 26122371, 34829828, 52244742, 69659656, 104489484, 208978968]

約数ペア:

[(1, 208978968), (2, 104489484), (3, 69659656), (4, 52244742), (6, 34829828), (8, 26122371), (11, 18998088), (12, 17414914), (22, 9499044), (24, 8707457), (33, 6332696), (41, 5097048), (43, 4859976), (44, 4749522), (66, 3166348), (82, 2548524), (86, 2429988), (88, 2374761), (123, 1699016), (129, 1619992), (132, 1583174), (164, 1274262), (172, 1214994), (246, 849508), (258, 809996), (264, 791587), (328, 637131), (344, 607497), (449, 465432), (451, 463368), (473, 441816), (492, 424754), (516, 404998), (898, 232716), (902, 231684), (946, 220908), (984, 212377), (1032, 202499), (1347, 155144), (1353, 154456), (1419, 147272), (1763, 118536), (1796, 116358), (1804, 115842), (1892, 110454), (2694, 77572), (2706, 77228), (2838, 73636), (3526, 59268), (3592, 58179), (3608, 57921), (3784, 55227), (4939, 42312), (5289, 39512), (5388, 38786), (5412, 38614), (5676, 36818), (7052, 29634), (9878, 21156), (10578, 19756), (10776, 19393), (10824, 19307), (11352, 18409), (14104, 14817)]