217399938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 540288000

約数和(自身を除く): 322888062

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 199, 222, 259, 266, 398, 399, 518, 597, 703, 777, 798, 1194, 1369, 1393, 1406, 1554, 2109, 2738, 2786, 3781, 4107, 4179, 4218, 4921, 7363, 7562, 8214, 8358, 9583, 9842, 11343, 14726, 14763, 19166, 22089, 22686, 26011, 26467, 28749, 29526, 44178, 51541, 52022, 52934, 57498, 78033, 79401, 103082, 139897, 154623, 156066, 158802, 182077, 272431, 279794, 309246, 364154, 419691, 544862, 546231, 817293, 839382, 979279, 1092462, 1634586, 1907017, 1958558, 2937837, 3814034, 5176189, 5721051, 5875674, 10352378, 11442102, 15528567, 31057134, 36233323, 72466646, 108699969, 217399938]

約数ペア:

[(1, 217399938), (2, 108699969), (3, 72466646), (6, 36233323), (7, 31057134), (14, 15528567), (19, 11442102), (21, 10352378), (37, 5875674), (38, 5721051), (42, 5176189), (57, 3814034), (74, 2937837), (111, 1958558), (114, 1907017), (133, 1634586), (199, 1092462), (222, 979279), (259, 839382), (266, 817293), (398, 546231), (399, 544862), (518, 419691), (597, 364154), (703, 309246), (777, 279794), (798, 272431), (1194, 182077), (1369, 158802), (1393, 156066), (1406, 154623), (1554, 139897), (2109, 103082), (2738, 79401), (2786, 78033), (3781, 57498), (4107, 52934), (4179, 52022), (4218, 51541), (4921, 44178), (7363, 29526), (7562, 28749), (8214, 26467), (8358, 26011), (9583, 22686), (9842, 22089), (11343, 19166), (14726, 14763)]