205346844

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1379

約数の個数: 72

約数和(自身を含む): 536455920

約数和(自身を除く): 331109076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 109, 129, 172, 218, 258, 327, 387, 436, 516, 654, 774, 981, 1217, 1308, 1548, 1962, 2434, 3651, 3924, 4687, 4868, 7302, 9374, 10953, 14061, 14604, 18748, 21906, 28122, 42183, 43812, 52331, 56244, 84366, 104662, 132653, 156993, 168732, 209324, 265306, 313986, 397959, 470979, 530612, 627972, 795918, 941958, 1193877, 1591836, 1883916, 2387754, 4775508, 5704079, 11408158, 17112237, 22816316, 34224474, 51336711, 68448948, 102673422, 205346844]

約数ペア:

[(1, 205346844), (2, 102673422), (3, 68448948), (4, 51336711), (6, 34224474), (9, 22816316), (12, 17112237), (18, 11408158), (36, 5704079), (43, 4775508), (86, 2387754), (109, 1883916), (129, 1591836), (172, 1193877), (218, 941958), (258, 795918), (327, 627972), (387, 530612), (436, 470979), (516, 397959), (654, 313986), (774, 265306), (981, 209324), (1217, 168732), (1308, 156993), (1548, 132653), (1962, 104662), (2434, 84366), (3651, 56244), (3924, 52331), (4687, 43812), (4868, 42183), (7302, 28122), (9374, 21906), (10953, 18748), (14061, 14604)]