81481244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{11273}}^1$

素因数の和:11429

約数の個数: 24

約数和(自身を含む): 154679280

約数和(自身を除く): 73198036

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 3614, 7228, 11273, 22546, 45092, 146549, 293098, 586196, 1566947, 3133894, 6267788, 20370311, 40740622, 81481244]

約数ペア:

[(1, 81481244), (2, 40740622), (4, 20370311), (13, 6267788), (26, 3133894), (52, 1566947), (139, 586196), (278, 293098), (556, 146549), (1807, 45092), (3614, 22546), (7228, 11273)]