998991616

素因数分解:

$2^8\times 7^3\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:435

約数の個数: 144

約数和(自身を含む): 2407014400

約数和(自身を除く): 1408022784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 343, 367, 392, 434, 448, 496, 686, 734, 784, 868, 896, 992, 1372, 1468, 1519, 1568, 1736, 1792, 1984, 2569, 2744, 2936, 3038, 3136, 3472, 3968, 5138, 5488, 5872, 6076, 6272, 6944, 7936, 10276, 10633, 10976, 11377, 11744, 12152, 12544, 13888, 17983, 20552, 21266, 21952, 22754, 23488, 24304, 27776, 35966, 41104, 42532, 43904, 45508, 46976, 48608, 55552, 71932, 79639, 82208, 85064, 87808, 91016, 93952, 97216, 125881, 143864, 159278, 164416, 170128, 182032, 194432, 251762, 287728, 318556, 328832, 340256, 364064, 388864, 503524, 557473, 575456, 637112, 657664, 680512, 728128, 1007048, 1114946, 1150912, 1274224, 1361024, 1456256, 2014096, 2229892, 2301824, 2548448, 2722048, 2912512, 3902311, 4028192, 4459784, 4603648, 5096896, 7804622, 8056384, 8919568, 10193792, 15609244, 16112768, 17839136, 20387584, 31218488, 32225536, 35678272, 62436976, 71356544, 124873952, 142713088, 249747904, 499495808, 998991616]

約数ペア:

[(1, 998991616), (2, 499495808), (4, 249747904), (7, 142713088), (8, 124873952), (14, 71356544), (16, 62436976), (28, 35678272), (31, 32225536), (32, 31218488), (49, 20387584), (56, 17839136), (62, 16112768), (64, 15609244), (98, 10193792), (112, 8919568), (124, 8056384), (128, 7804622), (196, 5096896), (217, 4603648), (224, 4459784), (248, 4028192), (256, 3902311), (343, 2912512), (367, 2722048), (392, 2548448), (434, 2301824), (448, 2229892), (496, 2014096), (686, 1456256), (734, 1361024), (784, 1274224), (868, 1150912), (896, 1114946), (992, 1007048), (1372, 728128), (1468, 680512), (1519, 657664), (1568, 637112), (1736, 575456), (1792, 557473), (1984, 503524), (2569, 388864), (2744, 364064), (2936, 340256), (3038, 328832), (3136, 318556), (3472, 287728), (3968, 251762), (5138, 194432), (5488, 182032), (5872, 170128), (6076, 164416), (6272, 159278), (6944, 143864), (7936, 125881), (10276, 97216), (10633, 93952), (10976, 91016), (11377, 87808), (11744, 85064), (12152, 82208), (12544, 79639), (13888, 71932), (17983, 55552), (20552, 48608), (21266, 46976), (21952, 45508), (22754, 43904), (23488, 42532), (24304, 41104), (27776, 35966)]