256693892

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{30661}}^1$

素因数の和:30708

約数の個数: 48

約数和(自身を含む): 576936192

約数和(自身を除く): 320242300

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 52, 91, 92, 161, 182, 299, 322, 364, 598, 644, 1196, 2093, 4186, 8372, 30661, 61322, 122644, 214627, 398593, 429254, 705203, 797186, 858508, 1410406, 1594372, 2790151, 2820812, 4936421, 5580302, 9167639, 9872842, 11160604, 18335278, 19745684, 36670556, 64173473, 128346946, 256693892]

約数ペア:

[(1, 256693892), (2, 128346946), (4, 64173473), (7, 36670556), (13, 19745684), (14, 18335278), (23, 11160604), (26, 9872842), (28, 9167639), (46, 5580302), (52, 4936421), (91, 2820812), (92, 2790151), (161, 1594372), (182, 1410406), (299, 858508), (322, 797186), (364, 705203), (598, 429254), (644, 398593), (1196, 214627), (2093, 122644), (4186, 61322), (8372, 30661)]