256460281

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1029

約数の個数: 32

約数和(自身を含む): 335923200

約数和(自身を除く): 79462919

約数列:

[1, 7, 11, 23, 77, 161, 179, 253, 809, 1253, 1771, 1969, 4117, 5663, 8899, 13783, 18607, 28819, 45287, 62293, 130249, 144811, 204677, 317009, 1013677, 1432739, 1592921, 3330653, 11150447, 23314571, 36637183, 256460281]

約数ペア:

[(1, 256460281), (7, 36637183), (11, 23314571), (23, 11150447), (77, 3330653), (161, 1592921), (179, 1432739), (253, 1013677), (809, 317009), (1253, 204677), (1771, 144811), (1969, 130249), (4117, 62293), (5663, 45287), (8899, 28819), (13783, 18607)]