12725706

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 18793014

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 259, 266, 399, 431, 518, 703, 777, 798, 862, 1293, 1406, 1554, 2109, 2586, 3017, 4218, 4921, 6034, 8189, 9051, 9842, 14763, 15947, 16378, 18102, 24567, 29526, 31894, 47841, 49134, 57323, 95682, 111629, 114646, 171969, 223258, 302993, 334887, 343938, 605986, 669774, 908979, 1817958, 2120951, 4241902, 6362853, 12725706]

約数ペア:

[(1, 12725706), (2, 6362853), (3, 4241902), (6, 2120951), (7, 1817958), (14, 908979), (19, 669774), (21, 605986), (37, 343938), (38, 334887), (42, 302993), (57, 223258), (74, 171969), (111, 114646), (114, 111629), (133, 95682), (222, 57323), (259, 49134), (266, 47841), (399, 31894), (431, 29526), (518, 24567), (703, 18102), (777, 16378), (798, 15947), (862, 14763), (1293, 9842), (1406, 9051), (1554, 8189), (2109, 6034), (2586, 4921), (3017, 4218)]