291990256

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{27947}}^1$

素因数の和:28608

約数の個数: 20

約数和(自身を含む): 566617752

約数和(自身を除く): 274627496

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 27947, 55894, 111788, 223576, 447152, 18249391, 36498782, 72997564, 145995128, 291990256]

約数ペア:

[(1, 291990256), (2, 145995128), (4, 72997564), (8, 36498782), (16, 18249391), (653, 447152), (1306, 223576), (2612, 111788), (5224, 55894), (10448, 27947)]