647630912

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 1416222720

約数和(自身を除く): 768591808

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 109, 127, 136, 172, 218, 254, 272, 344, 436, 508, 544, 688, 731, 872, 1016, 1088, 1376, 1462, 1744, 1853, 2032, 2159, 2752, 2924, 3488, 3706, 4064, 4318, 4687, 5461, 5848, 6976, 7412, 8128, 8636, 9374, 10922, 11696, 13843, 14824, 17272, 18748, 21844, 23392, 27686, 29648, 34544, 37496, 43688, 46784, 55372, 59296, 69088, 74992, 79679, 87376, 92837, 110744, 118592, 138176, 149984, 159358, 174752, 185674, 221488, 235331, 299968, 318716, 349504, 371348, 442976, 470662, 595249, 637432, 742696, 885952, 941324, 1190498, 1274864, 1485392, 1882648, 2380996, 2549728, 2970784, 3765296, 4761992, 5099456, 5941568, 7530592, 9523984, 10119233, 15061184, 19047968, 20238466, 38095936, 40476932, 80953864, 161907728, 323815456, 647630912]

約数ペア:

[(1, 647630912), (2, 323815456), (4, 161907728), (8, 80953864), (16, 40476932), (17, 38095936), (32, 20238466), (34, 19047968), (43, 15061184), (64, 10119233), (68, 9523984), (86, 7530592), (109, 5941568), (127, 5099456), (136, 4761992), (172, 3765296), (218, 2970784), (254, 2549728), (272, 2380996), (344, 1882648), (436, 1485392), (508, 1274864), (544, 1190498), (688, 941324), (731, 885952), (872, 742696), (1016, 637432), (1088, 595249), (1376, 470662), (1462, 442976), (1744, 371348), (1853, 349504), (2032, 318716), (2159, 299968), (2752, 235331), (2924, 221488), (3488, 185674), (3706, 174752), (4064, 159358), (4318, 149984), (4687, 138176), (5461, 118592), (5848, 110744), (6976, 92837), (7412, 87376), (8128, 79679), (8636, 74992), (9374, 69088), (10922, 59296), (11696, 55372), (13843, 46784), (14824, 43688), (17272, 37496), (18748, 34544), (21844, 29648), (23392, 27686)]