261396794

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 464175360

約数和(自身を除く): 202778566

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 73, 146, 241, 323, 391, 437, 482, 646, 782, 874, 1241, 1387, 1679, 2482, 2774, 3358, 4097, 4579, 5543, 7429, 8194, 9158, 11086, 14858, 17593, 23579, 28543, 31901, 35186, 47158, 57086, 63802, 77843, 94231, 105317, 155686, 188462, 210634, 299081, 334267, 404639, 542317, 598162, 668534, 809278, 1084634, 1790389, 3580778, 5682539, 6878863, 7688141, 11365078, 13757726, 15376282, 130698397, 261396794]

約数ペア:

[(1, 261396794), (2, 130698397), (17, 15376282), (19, 13757726), (23, 11365078), (34, 7688141), (38, 6878863), (46, 5682539), (73, 3580778), (146, 1790389), (241, 1084634), (323, 809278), (391, 668534), (437, 598162), (482, 542317), (646, 404639), (782, 334267), (874, 299081), (1241, 210634), (1387, 188462), (1679, 155686), (2482, 105317), (2774, 94231), (3358, 77843), (4097, 63802), (4579, 57086), (5543, 47158), (7429, 35186), (8194, 31901), (9158, 28543), (11086, 23579), (14858, 17593)]