685025604

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{547}}^1\times {\mathrm{809}}^1$

素因数の和:1409

約数の個数: 72

約数和(自身を含む): 1777295520

約数和(自身を除く): 1092269916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 547, 774, 809, 1094, 1548, 1618, 1641, 2188, 2427, 3236, 3282, 4854, 4923, 6564, 7281, 9708, 9846, 14562, 19692, 23521, 29124, 34787, 47042, 69574, 70563, 94084, 104361, 139148, 141126, 208722, 211689, 282252, 313083, 417444, 423378, 442523, 626166, 846756, 885046, 1252332, 1327569, 1770092, 2655138, 3982707, 5310276, 7965414, 15930828, 19028489, 38056978, 57085467, 76113956, 114170934, 171256401, 228341868, 342512802, 685025604]

約数ペア:

[(1, 685025604), (2, 342512802), (3, 228341868), (4, 171256401), (6, 114170934), (9, 76113956), (12, 57085467), (18, 38056978), (36, 19028489), (43, 15930828), (86, 7965414), (129, 5310276), (172, 3982707), (258, 2655138), (387, 1770092), (516, 1327569), (547, 1252332), (774, 885046), (809, 846756), (1094, 626166), (1548, 442523), (1618, 423378), (1641, 417444), (2188, 313083), (2427, 282252), (3236, 211689), (3282, 208722), (4854, 141126), (4923, 139148), (6564, 104361), (7281, 94084), (9708, 70563), (9846, 69574), (14562, 47042), (19692, 34787), (23521, 29124)]