78899275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 122214400

約数和(自身を除く): 43315125

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 175, 325, 395, 439, 455, 553, 1027, 1975, 2195, 2275, 2765, 3073, 5135, 5707, 7189, 10975, 13825, 15365, 25675, 28535, 34681, 35945, 39949, 76825, 142675, 173405, 179725, 199745, 242767, 450853, 867025, 998725, 1213835, 2254265, 3155971, 6069175, 11271325, 15779855, 78899275]

約数ペア:

[(1, 78899275), (5, 15779855), (7, 11271325), (13, 6069175), (25, 3155971), (35, 2254265), (65, 1213835), (79, 998725), (91, 867025), (175, 450853), (325, 242767), (395, 199745), (439, 179725), (455, 173405), (553, 142675), (1027, 76825), (1975, 39949), (2195, 35945), (2275, 34681), (2765, 28535), (3073, 25675), (5135, 15365), (5707, 13825), (7189, 10975)]