66464825

素因数分解:

$5^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 100588800

約数和(自身を除く): 34123975

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 337, 343, 575, 805, 1127, 1225, 1685, 1715, 2359, 4025, 5635, 7751, 7889, 8425, 8575, 11795, 16513, 28175, 38755, 39445, 54257, 58975, 82565, 115591, 193775, 197225, 271285, 379799, 412825, 577955, 1356425, 1898995, 2658593, 2889775, 9494975, 13292965, 66464825]

約数ペア:

[(1, 66464825), (5, 13292965), (7, 9494975), (23, 2889775), (25, 2658593), (35, 1898995), (49, 1356425), (115, 577955), (161, 412825), (175, 379799), (245, 271285), (337, 197225), (343, 193775), (575, 115591), (805, 82565), (1127, 58975), (1225, 54257), (1685, 39445), (1715, 38755), (2359, 28175), (4025, 16513), (5635, 11795), (7751, 8575), (7889, 8425)]