247561808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1190201}}^1$

素因数の和:1190222

約数の個数: 20

約数和(自身を含む): 516547668

約数和(自身を除く): 268985860

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1190201, 2380402, 4760804, 9521608, 15472613, 19043216, 30945226, 61890452, 123780904, 247561808]

約数ペア:

[(1, 247561808), (2, 123780904), (4, 61890452), (8, 30945226), (13, 19043216), (16, 15472613), (26, 9521608), (52, 4760804), (104, 2380402), (208, 1190201)]