257722686

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 662442144

約数和(自身を除く): 404719458

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 37, 39, 51, 74, 78, 102, 103, 111, 117, 153, 206, 221, 222, 234, 289, 306, 309, 333, 442, 481, 578, 618, 629, 663, 666, 867, 927, 962, 1258, 1326, 1339, 1443, 1734, 1751, 1854, 1887, 1989, 2601, 2678, 2886, 3502, 3757, 3774, 3811, 3978, 4017, 4329, 5202, 5253, 5661, 7514, 7622, 8034, 8177, 8658, 10506, 10693, 11271, 11322, 11433, 12051, 15759, 16354, 21386, 22542, 22763, 22866, 24102, 24531, 29767, 31518, 32079, 33813, 34299, 45526, 49062, 49543, 59534, 64158, 64787, 67626, 68289, 68598, 73593, 89301, 96237, 99086, 129574, 136578, 139009, 147186, 148629, 178602, 192474, 194361, 204867, 267903, 278018, 297258, 386971, 388722, 409734, 417027, 445887, 535806, 583083, 773942, 834054, 842231, 891774, 1101379, 1160913, 1166166, 1251081, 1684462, 2202758, 2321826, 2502162, 2526693, 3304137, 3482739, 5053386, 6608274, 6965478, 7580079, 9912411, 14317927, 15160158, 19824822, 28635854, 42953781, 85907562, 128861343, 257722686]

約数ペア:

[(1, 257722686), (2, 128861343), (3, 85907562), (6, 42953781), (9, 28635854), (13, 19824822), (17, 15160158), (18, 14317927), (26, 9912411), (34, 7580079), (37, 6965478), (39, 6608274), (51, 5053386), (74, 3482739), (78, 3304137), (102, 2526693), (103, 2502162), (111, 2321826), (117, 2202758), (153, 1684462), (206, 1251081), (221, 1166166), (222, 1160913), (234, 1101379), (289, 891774), (306, 842231), (309, 834054), (333, 773942), (442, 583083), (481, 535806), (578, 445887), (618, 417027), (629, 409734), (663, 388722), (666, 386971), (867, 297258), (927, 278018), (962, 267903), (1258, 204867), (1326, 194361), (1339, 192474), (1443, 178602), (1734, 148629), (1751, 147186), (1854, 139009), (1887, 136578), (1989, 129574), (2601, 99086), (2678, 96237), (2886, 89301), (3502, 73593), (3757, 68598), (3774, 68289), (3811, 67626), (3978, 64787), (4017, 64158), (4329, 59534), (5202, 49543), (5253, 49062), (5661, 45526), (7514, 34299), (7622, 33813), (8034, 32079), (8177, 31518), (8658, 29767), (10506, 24531), (10693, 24102), (11271, 22866), (11322, 22763), (11433, 22542), (12051, 21386), (15759, 16354)]