64917125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 100488960

約数和(自身を除く): 35571835

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 169, 175, 325, 439, 455, 845, 875, 1183, 1625, 2195, 2275, 3073, 4225, 5707, 5915, 10975, 11375, 15365, 21125, 28535, 29575, 39949, 54875, 74191, 76825, 142675, 147875, 199745, 370955, 384125, 519337, 713375, 998725, 1854775, 2596685, 4993625, 9273875, 12983425, 64917125]

約数ペア:

[(1, 64917125), (5, 12983425), (7, 9273875), (13, 4993625), (25, 2596685), (35, 1854775), (65, 998725), (91, 713375), (125, 519337), (169, 384125), (175, 370955), (325, 199745), (439, 147875), (455, 142675), (845, 76825), (875, 74191), (1183, 54875), (1625, 39949), (2195, 29575), (2275, 28535), (3073, 21125), (4225, 15365), (5707, 11375), (5915, 10975)]