278345168

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{26641}}^1$

素因数の和:27302

約数の個数: 20

約数和(自身を含む): 540139908

約数和(自身を除く): 261794740

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 26641, 53282, 106564, 213128, 426256, 17396573, 34793146, 69586292, 139172584, 278345168]

約数ペア:

[(1, 278345168), (2, 139172584), (4, 69586292), (8, 34793146), (16, 17396573), (653, 426256), (1306, 213128), (2612, 106564), (5224, 53282), (10448, 26641)]