81764384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{196549}}^1$

素因数の和:196572

約数の個数: 24

約数和(自身を含む): 173357100

約数和(自身を除く): 91592716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 196549, 393098, 786196, 1572392, 2555137, 3144784, 5110274, 6289568, 10220548, 20441096, 40882192, 81764384]

約数ペア:

[(1, 81764384), (2, 40882192), (4, 20441096), (8, 10220548), (13, 6289568), (16, 5110274), (26, 3144784), (32, 2555137), (52, 1572392), (104, 786196), (208, 393098), (416, 196549)]