256876282

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 440183808

約数和(自身を除く): 183307526

約数列:

[1, 2, 13, 23, 26, 46, 169, 173, 191, 299, 338, 346, 382, 598, 2249, 2483, 3887, 3979, 4393, 4498, 4966, 7774, 7958, 8786, 29237, 32279, 33043, 51727, 57109, 58474, 64558, 66086, 103454, 114218, 429559, 672451, 742417, 759989, 859118, 1344902, 1484834, 1519978, 5584267, 9879857, 11168534, 19759714, 128438141, 256876282]

約数ペア:

[(1, 256876282), (2, 128438141), (13, 19759714), (23, 11168534), (26, 9879857), (46, 5584267), (169, 1519978), (173, 1484834), (191, 1344902), (299, 859118), (338, 759989), (346, 742417), (382, 672451), (598, 429559), (2249, 114218), (2483, 103454), (3887, 66086), (3979, 64558), (4393, 58474), (4498, 57109), (4966, 51727), (7774, 33043), (7958, 32279), (8786, 29237)]