261973488

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:431

約数の個数: 160

約数和(自身を含む): 807376896

約数和(自身を除く): 545403408

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 47, 48, 53, 56, 84, 94, 106, 112, 141, 159, 168, 188, 212, 282, 313, 318, 329, 336, 371, 376, 424, 564, 626, 636, 658, 742, 752, 848, 939, 987, 1113, 1128, 1252, 1272, 1316, 1484, 1878, 1974, 2191, 2226, 2256, 2491, 2504, 2544, 2632, 2968, 3756, 3948, 4382, 4452, 4982, 5008, 5264, 5936, 6573, 7473, 7512, 7896, 8764, 8904, 9964, 13146, 14711, 14946, 15024, 15792, 16589, 17437, 17528, 17808, 19928, 26292, 29422, 29892, 33178, 34874, 35056, 39856, 44133, 49767, 52311, 52584, 58844, 59784, 66356, 69748, 88266, 99534, 102977, 104622, 105168, 116123, 117688, 119568, 132712, 139496, 176532, 199068, 205954, 209244, 232246, 235376, 265424, 278992, 308931, 348369, 353064, 398136, 411908, 418488, 464492, 617862, 696738, 706128, 779683, 796272, 823816, 836976, 928984, 1235724, 1393476, 1559366, 1647632, 1857968, 2339049, 2471448, 2786952, 3118732, 4678098, 4942896, 5457781, 5573904, 6237464, 9356196, 10915562, 12474928, 16373343, 18712392, 21831124, 32746686, 37424784, 43662248, 65493372, 87324496, 130986744, 261973488]

約数ペア:

[(1, 261973488), (2, 130986744), (3, 87324496), (4, 65493372), (6, 43662248), (7, 37424784), (8, 32746686), (12, 21831124), (14, 18712392), (16, 16373343), (21, 12474928), (24, 10915562), (28, 9356196), (42, 6237464), (47, 5573904), (48, 5457781), (53, 4942896), (56, 4678098), (84, 3118732), (94, 2786952), (106, 2471448), (112, 2339049), (141, 1857968), (159, 1647632), (168, 1559366), (188, 1393476), (212, 1235724), (282, 928984), (313, 836976), (318, 823816), (329, 796272), (336, 779683), (371, 706128), (376, 696738), (424, 617862), (564, 464492), (626, 418488), (636, 411908), (658, 398136), (742, 353064), (752, 348369), (848, 308931), (939, 278992), (987, 265424), (1113, 235376), (1128, 232246), (1252, 209244), (1272, 205954), (1316, 199068), (1484, 176532), (1878, 139496), (1974, 132712), (2191, 119568), (2226, 117688), (2256, 116123), (2491, 105168), (2504, 104622), (2544, 102977), (2632, 99534), (2968, 88266), (3756, 69748), (3948, 66356), (4382, 59784), (4452, 58844), (4982, 52584), (5008, 52311), (5264, 49767), (5936, 44133), (6573, 39856), (7473, 35056), (7512, 34874), (7896, 33178), (8764, 29892), (8904, 29422), (9964, 26292), (13146, 19928), (14711, 17808), (14946, 17528), (15024, 17437), (15792, 16589)]