261245538

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{198817}}^1$

素因数の和:198898

約数の個数: 24

約数和(自身を含む): 573788748

約数和(自身を除く): 312543210

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 198817, 397634, 596451, 1192902, 1789353, 3578706, 14513641, 29027282, 43540923, 87081846, 130622769, 261245538]

約数ペア:

[(1, 261245538), (2, 130622769), (3, 87081846), (6, 43540923), (9, 29027282), (18, 14513641), (73, 3578706), (146, 1789353), (219, 1192902), (438, 596451), (657, 397634), (1314, 198817)]