2780451556

素因数分解:

$2^2\times {\mathrm{1559}}^1\times {\mathrm{445871}}^1$

素因数の和:447434

約数の個数: 12

約数和(自身を含む): 4868922240

約数和(自身を除く): 2088470684

約数列:

[1, 2, 4, 1559, 3118, 6236, 445871, 891742, 1783484, 695112889, 1390225778, 2780451556]

約数ペア:

[(1, 2780451556), (2, 1390225778), (4, 695112889), (1559, 1783484), (3118, 891742), (6236, 445871)]