28705908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:733

約数の個数: 96

約数和(自身を含む): 85413888

約数和(自身を除く): 56707980

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 47, 66, 77, 84, 94, 132, 141, 154, 188, 231, 282, 308, 329, 462, 517, 564, 658, 661, 924, 987, 1034, 1316, 1322, 1551, 1974, 1983, 2068, 2644, 3102, 3619, 3948, 3966, 4627, 6204, 7238, 7271, 7932, 9254, 10857, 13881, 14476, 14542, 18508, 21714, 21813, 27762, 29084, 31067, 43428, 43626, 50897, 55524, 62134, 87252, 93201, 101794, 124268, 152691, 186402, 203588, 217469, 305382, 341737, 372804, 434938, 610764, 652407, 683474, 869876, 1025211, 1304814, 1366948, 2050422, 2392159, 2609628, 4100844, 4784318, 7176477, 9568636, 14352954, 28705908]

約数ペア:

[(1, 28705908), (2, 14352954), (3, 9568636), (4, 7176477), (6, 4784318), (7, 4100844), (11, 2609628), (12, 2392159), (14, 2050422), (21, 1366948), (22, 1304814), (28, 1025211), (33, 869876), (42, 683474), (44, 652407), (47, 610764), (66, 434938), (77, 372804), (84, 341737), (94, 305382), (132, 217469), (141, 203588), (154, 186402), (188, 152691), (231, 124268), (282, 101794), (308, 93201), (329, 87252), (462, 62134), (517, 55524), (564, 50897), (658, 43626), (661, 43428), (924, 31067), (987, 29084), (1034, 27762), (1316, 21813), (1322, 21714), (1551, 18508), (1974, 14542), (1983, 14476), (2068, 13881), (2644, 10857), (3102, 9254), (3619, 7932), (3948, 7271), (3966, 7238), (4627, 6204)]