25728318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 96

約数和(自身を含む): 73232640

約数和(自身を除く): 47504322

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 33, 38, 42, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 198, 209, 231, 266, 342, 399, 418, 462, 627, 693, 798, 977, 1197, 1254, 1386, 1463, 1881, 1954, 2394, 2926, 2931, 3762, 4389, 5862, 6839, 8778, 8793, 10747, 13167, 13678, 17586, 18563, 20517, 21494, 26334, 32241, 37126, 41034, 55689, 61551, 64482, 75229, 96723, 111378, 123102, 129941, 150458, 167067, 193446, 204193, 225687, 259882, 334134, 389823, 408386, 451374, 612579, 677061, 779646, 1169469, 1225158, 1354122, 1429351, 1837737, 2338938, 2858702, 3675474, 4288053, 8576106, 12864159, 25728318]

約数ペア:

[(1, 25728318), (2, 12864159), (3, 8576106), (6, 4288053), (7, 3675474), (9, 2858702), (11, 2338938), (14, 1837737), (18, 1429351), (19, 1354122), (21, 1225158), (22, 1169469), (33, 779646), (38, 677061), (42, 612579), (57, 451374), (63, 408386), (66, 389823), (77, 334134), (99, 259882), (114, 225687), (126, 204193), (133, 193446), (154, 167067), (171, 150458), (198, 129941), (209, 123102), (231, 111378), (266, 96723), (342, 75229), (399, 64482), (418, 61551), (462, 55689), (627, 41034), (693, 37126), (798, 32241), (977, 26334), (1197, 21494), (1254, 20517), (1386, 18563), (1463, 17586), (1881, 13678), (1954, 13167), (2394, 10747), (2926, 8793), (2931, 8778), (3762, 6839), (4389, 5862)]