256799788

素因数分解:

$2^2\times 7^2\times {\mathrm{379}}^1\times {\mathrm{3457}}^1$

素因数の和:3854

約数の個数: 36

約数和(自身を含む): 524301960

約数和(自身を除く): 267502172

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 379, 758, 1516, 2653, 3457, 5306, 6914, 10612, 13828, 18571, 24199, 37142, 48398, 74284, 96796, 169393, 338786, 677572, 1310203, 2620406, 5240812, 9171421, 18342842, 36685684, 64199947, 128399894, 256799788]

約数ペア:

[(1, 256799788), (2, 128399894), (4, 64199947), (7, 36685684), (14, 18342842), (28, 9171421), (49, 5240812), (98, 2620406), (196, 1310203), (379, 677572), (758, 338786), (1516, 169393), (2653, 96796), (3457, 74284), (5306, 48398), (6914, 37142), (10612, 24199), (13828, 18571)]