256885972

素因数分解:

$2^2\times 7^1\times {\mathrm{2207}}^1\times {\mathrm{4157}}^1$

素因数の和:6375

約数の個数: 24

約数和(自身を含む): 514128384

約数和(自身を除く): 257242412

約数列:

[1, 2, 4, 7, 14, 28, 2207, 4157, 4414, 8314, 8828, 15449, 16628, 29099, 30898, 58198, 61796, 116396, 9174499, 18348998, 36697996, 64221493, 128442986, 256885972]

約数ペア:

[(1, 256885972), (2, 128442986), (4, 64221493), (7, 36697996), (14, 18348998), (28, 9174499), (2207, 116396), (4157, 61796), (4414, 58198), (8314, 30898), (8828, 29099), (15449, 16628)]