257223856

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{401}}^1\times {\mathrm{853}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 510842304

約数和(自身を除く): 253618448

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 401, 752, 802, 853, 1604, 1706, 3208, 3412, 6416, 6824, 13648, 18847, 37694, 40091, 75388, 80182, 150776, 160364, 301552, 320728, 342053, 641456, 684106, 1368212, 2736424, 5472848, 16076491, 32152982, 64305964, 128611928, 257223856]

約数ペア:

[(1, 257223856), (2, 128611928), (4, 64305964), (8, 32152982), (16, 16076491), (47, 5472848), (94, 2736424), (188, 1368212), (376, 684106), (401, 641456), (752, 342053), (802, 320728), (853, 301552), (1604, 160364), (1706, 150776), (3208, 80182), (3412, 75388), (6416, 40091), (6824, 37694), (13648, 18847)]