65404495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 87736320

約数和(自身を除く): 22331825

約数列:

[1, 5, 13, 47, 65, 79, 235, 271, 395, 611, 1027, 1355, 3055, 3523, 3713, 5135, 12737, 17615, 18565, 21409, 48269, 63685, 107045, 165581, 241345, 278317, 827905, 1006223, 1391585, 5031115, 13080899, 65404495]

約数ペア:

[(1, 65404495), (5, 13080899), (13, 5031115), (47, 1391585), (65, 1006223), (79, 827905), (235, 278317), (271, 241345), (395, 165581), (611, 107045), (1027, 63685), (1355, 48269), (3055, 21409), (3523, 18565), (3713, 17615), (5135, 12737)]