13217806

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 26265600

約数和(自身を除く): 13047794

約数列:

[1, 2, 7, 14, 17, 19, 34, 37, 38, 74, 79, 119, 133, 158, 238, 259, 266, 323, 518, 553, 629, 646, 703, 1106, 1258, 1343, 1406, 1501, 2261, 2686, 2923, 3002, 4403, 4522, 4921, 5846, 8806, 9401, 9842, 10507, 11951, 18802, 20461, 21014, 23902, 25517, 40922, 49691, 51034, 55537, 83657, 99382, 111074, 167314, 178619, 347837, 357238, 388759, 695674, 777518, 944129, 1888258, 6608903, 13217806]

約数ペア:

[(1, 13217806), (2, 6608903), (7, 1888258), (14, 944129), (17, 777518), (19, 695674), (34, 388759), (37, 357238), (38, 347837), (74, 178619), (79, 167314), (119, 111074), (133, 99382), (158, 83657), (238, 55537), (259, 51034), (266, 49691), (323, 40922), (518, 25517), (553, 23902), (629, 21014), (646, 20461), (703, 18802), (1106, 11951), (1258, 10507), (1343, 9842), (1406, 9401), (1501, 8806), (2261, 5846), (2686, 4921), (2923, 4522), (3002, 4403)]