201690515

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{6451}}^1$

素因数の和:6519

約数の個数: 24

約数和(自身を含む): 269203248

約数和(自身を除く): 67512733

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 845, 2405, 6253, 6451, 31265, 32255, 83863, 238687, 419315, 1090219, 1193435, 3102931, 5451095, 15514655, 40338103, 201690515]

約数ペア:

[(1, 201690515), (5, 40338103), (13, 15514655), (37, 5451095), (65, 3102931), (169, 1193435), (185, 1090219), (481, 419315), (845, 238687), (2405, 83863), (6253, 32255), (6451, 31265)]