66783472

素因数分解:

$2^4\times 7^3\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 80

約数和(自身を含む): 154950400

約数和(自身を除く): 88166928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 49, 56, 86, 98, 112, 172, 196, 283, 301, 343, 344, 392, 566, 602, 686, 688, 784, 1132, 1204, 1372, 1981, 2107, 2264, 2408, 2744, 3962, 4214, 4528, 4816, 5488, 7924, 8428, 12169, 13867, 14749, 15848, 16856, 24338, 27734, 29498, 31696, 33712, 48676, 55468, 58996, 85183, 97069, 97352, 110936, 117992, 170366, 194138, 194704, 221872, 235984, 340732, 388276, 596281, 681464, 776552, 1192562, 1362928, 1553104, 2385124, 4173967, 4770248, 8347934, 9540496, 16695868, 33391736, 66783472]

約数ペア:

[(1, 66783472), (2, 33391736), (4, 16695868), (7, 9540496), (8, 8347934), (14, 4770248), (16, 4173967), (28, 2385124), (43, 1553104), (49, 1362928), (56, 1192562), (86, 776552), (98, 681464), (112, 596281), (172, 388276), (196, 340732), (283, 235984), (301, 221872), (343, 194704), (344, 194138), (392, 170366), (566, 117992), (602, 110936), (686, 97352), (688, 97069), (784, 85183), (1132, 58996), (1204, 55468), (1372, 48676), (1981, 33712), (2107, 31696), (2264, 29498), (2408, 27734), (2744, 24338), (3962, 16856), (4214, 15848), (4528, 14749), (4816, 13867), (5488, 12169), (7924, 8428)]