203712145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3221}}^1$

素因数の和:3385

約数の個数: 32

約数和(自身を含む): 303125760

約数和(自身を除く): 99413615

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 455, 695, 973, 1807, 3221, 4865, 9035, 12649, 16105, 22547, 41873, 63245, 112735, 209365, 293111, 447719, 1465555, 2238595, 3134033, 5820347, 15670165, 29101735, 40742429, 203712145]

約数ペア:

[(1, 203712145), (5, 40742429), (7, 29101735), (13, 15670165), (35, 5820347), (65, 3134033), (91, 2238595), (139, 1465555), (455, 447719), (695, 293111), (973, 209365), (1807, 112735), (3221, 63245), (4865, 41873), (9035, 22547), (12649, 16105)]