2783458990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21411223}}^1$

素因数の和:21411243

約数の個数: 16

約数和(自身を含む): 5395628448

約数和(自身を除く): 2612169458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 21411223, 42822446, 107056115, 214112230, 278345899, 556691798, 1391729495, 2783458990]

約数ペア:

[(1, 2783458990), (2, 1391729495), (5, 556691798), (10, 278345899), (13, 214112230), (26, 107056115), (65, 42822446), (130, 21411223)]