199980976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{961447}}^1$

素因数の和:961468

約数の個数: 20

約数和(自身を含む): 417268432

約数和(自身を除く): 217287456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 961447, 1922894, 3845788, 7691576, 12498811, 15383152, 24997622, 49995244, 99990488, 199980976]

約数ペア:

[(1, 199980976), (2, 99990488), (4, 49995244), (8, 24997622), (13, 15383152), (16, 12498811), (26, 7691576), (52, 3845788), (104, 1922894), (208, 961447)]