256756136

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{367}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 613912320

約数和(自身を除く): 357156184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 367, 403, 434, 728, 734, 806, 868, 961, 1468, 1612, 1736, 1922, 2569, 2821, 2936, 3224, 3844, 4771, 5138, 5642, 6727, 7688, 9542, 10276, 11284, 11377, 12493, 13454, 19084, 20552, 22568, 22754, 24986, 26908, 33397, 38168, 45508, 49972, 53816, 66794, 79639, 87451, 91016, 99944, 133588, 147901, 159278, 174902, 267176, 295802, 318556, 349804, 352687, 591604, 637112, 699608, 705374, 1035307, 1183208, 1410748, 2070614, 2468809, 2821496, 4141228, 4584931, 4937618, 8282456, 9169862, 9875236, 18339724, 19750472, 32094517, 36679448, 64189034, 128378068, 256756136]

約数ペア:

[(1, 256756136), (2, 128378068), (4, 64189034), (7, 36679448), (8, 32094517), (13, 19750472), (14, 18339724), (26, 9875236), (28, 9169862), (31, 8282456), (52, 4937618), (56, 4584931), (62, 4141228), (91, 2821496), (104, 2468809), (124, 2070614), (182, 1410748), (217, 1183208), (248, 1035307), (364, 705374), (367, 699608), (403, 637112), (434, 591604), (728, 352687), (734, 349804), (806, 318556), (868, 295802), (961, 267176), (1468, 174902), (1612, 159278), (1736, 147901), (1922, 133588), (2569, 99944), (2821, 91016), (2936, 87451), (3224, 79639), (3844, 66794), (4771, 53816), (5138, 49972), (5642, 45508), (6727, 38168), (7688, 33397), (9542, 26908), (10276, 24986), (11284, 22754), (11377, 22568), (12493, 20552), (13454, 19084)]