251563312

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 664957440

約数和(自身を除く): 413394128

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 113, 139, 143, 154, 176, 182, 208, 226, 278, 286, 308, 364, 452, 556, 572, 616, 728, 791, 904, 973, 1001, 1112, 1144, 1232, 1243, 1456, 1469, 1529, 1582, 1807, 1808, 1946, 2002, 2224, 2288, 2486, 2938, 3058, 3164, 3614, 3892, 4004, 4972, 5876, 6116, 6328, 7228, 7784, 8008, 8701, 9944, 10283, 10703, 11752, 12232, 12649, 12656, 14456, 15568, 15707, 16016, 16159, 17402, 19877, 19888, 20566, 21406, 23504, 24464, 25298, 28912, 31414, 32318, 34804, 39754, 41132, 42812, 50596, 62828, 64636, 69608, 79508, 82264, 85624, 101192, 109949, 113113, 125656, 129272, 139139, 139216, 159016, 164528, 171248, 172777, 202384, 204191, 219898, 226226, 251312, 258544, 278278, 318032, 345554, 408382, 439796, 452452, 556556, 691108, 816764, 879592, 904904, 1113112, 1209439, 1382216, 1429337, 1633528, 1759184, 1809808, 2226224, 2246101, 2418878, 2764432, 2858674, 3267056, 4492202, 4837756, 5717348, 8984404, 9675512, 11434696, 15722707, 17968808, 19351024, 22869392, 31445414, 35937616, 62890828, 125781656, 251563312]

約数ペア:

[(1, 251563312), (2, 125781656), (4, 62890828), (7, 35937616), (8, 31445414), (11, 22869392), (13, 19351024), (14, 17968808), (16, 15722707), (22, 11434696), (26, 9675512), (28, 8984404), (44, 5717348), (52, 4837756), (56, 4492202), (77, 3267056), (88, 2858674), (91, 2764432), (104, 2418878), (112, 2246101), (113, 2226224), (139, 1809808), (143, 1759184), (154, 1633528), (176, 1429337), (182, 1382216), (208, 1209439), (226, 1113112), (278, 904904), (286, 879592), (308, 816764), (364, 691108), (452, 556556), (556, 452452), (572, 439796), (616, 408382), (728, 345554), (791, 318032), (904, 278278), (973, 258544), (1001, 251312), (1112, 226226), (1144, 219898), (1232, 204191), (1243, 202384), (1456, 172777), (1469, 171248), (1529, 164528), (1582, 159016), (1807, 139216), (1808, 139139), (1946, 129272), (2002, 125656), (2224, 113113), (2288, 109949), (2486, 101192), (2938, 85624), (3058, 82264), (3164, 79508), (3614, 69608), (3892, 64636), (4004, 62828), (4972, 50596), (5876, 42812), (6116, 41132), (6328, 39754), (7228, 34804), (7784, 32318), (8008, 31414), (8701, 28912), (9944, 25298), (10283, 24464), (10703, 23504), (11752, 21406), (12232, 20566), (12649, 19888), (12656, 19877), (14456, 17402), (15568, 16159), (15707, 16016)]