154687778

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 283244544

約数和(自身を除く): 128556766

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 241, 254, 266, 361, 482, 722, 889, 1687, 1778, 2413, 2527, 3374, 4579, 4826, 5054, 9158, 16891, 30607, 32053, 33782, 45847, 61214, 64106, 87001, 91694, 174002, 214249, 320929, 428498, 581533, 609007, 641858, 1163066, 1218014, 4070731, 8141462, 11049127, 22098254, 77343889, 154687778]

約数ペア:

[(1, 154687778), (2, 77343889), (7, 22098254), (14, 11049127), (19, 8141462), (38, 4070731), (127, 1218014), (133, 1163066), (241, 641858), (254, 609007), (266, 581533), (361, 428498), (482, 320929), (722, 214249), (889, 174002), (1687, 91694), (1778, 87001), (2413, 64106), (2527, 61214), (3374, 45847), (4579, 33782), (4826, 32053), (5054, 30607), (9158, 16891)]