217406735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4639}}^1$

素因数の和:4767

約数の個数: 32

約数和(自身を含む): 324280320

約数和(自身を除く): 106873585

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 721, 1339, 3605, 4639, 6695, 9373, 23195, 32473, 46865, 60307, 162365, 301535, 422149, 477817, 2110745, 2389085, 3344719, 6211621, 16723595, 31058105, 43481347, 217406735]

約数ペア:

[(1, 217406735), (5, 43481347), (7, 31058105), (13, 16723595), (35, 6211621), (65, 3344719), (91, 2389085), (103, 2110745), (455, 477817), (515, 422149), (721, 301535), (1339, 162365), (3605, 60307), (4639, 46865), (6695, 32473), (9373, 23195)]