15305678

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 27157680

約数和(自身を除く): 11852002

約数列:

[1, 2, 17, 19, 29, 34, 38, 43, 58, 86, 323, 361, 493, 551, 646, 722, 731, 817, 986, 1102, 1247, 1462, 1634, 2494, 6137, 9367, 10469, 12274, 13889, 15523, 18734, 20938, 21199, 23693, 27778, 31046, 42398, 47386, 177973, 263891, 355946, 402781, 450167, 527782, 805562, 900334, 7652839, 15305678]

約数ペア:

[(1, 15305678), (2, 7652839), (17, 900334), (19, 805562), (29, 527782), (34, 450167), (38, 402781), (43, 355946), (58, 263891), (86, 177973), (323, 47386), (361, 42398), (493, 31046), (551, 27778), (646, 23693), (722, 21199), (731, 20938), (817, 18734), (986, 15523), (1102, 13889), (1247, 12274), (1462, 10469), (1634, 9367), (2494, 6137)]