129331328

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 128

約数和(自身を含む): 317260800

約数和(自身を除く): 187929472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 71, 76, 107, 112, 128, 133, 142, 152, 214, 224, 266, 284, 304, 428, 448, 497, 532, 568, 608, 749, 856, 896, 994, 1064, 1136, 1216, 1349, 1498, 1712, 1988, 2033, 2128, 2272, 2432, 2698, 2996, 3424, 3976, 4066, 4256, 4544, 5396, 5992, 6848, 7597, 7952, 8132, 8512, 9088, 9443, 10792, 11984, 13696, 14231, 15194, 15904, 16264, 17024, 18886, 21584, 23968, 28462, 30388, 31808, 32528, 37772, 43168, 47936, 53179, 56924, 60776, 63616, 65056, 75544, 86336, 95872, 106358, 113848, 121552, 130112, 144343, 151088, 172672, 212716, 227696, 243104, 260224, 288686, 302176, 425432, 455392, 486208, 577372, 604352, 850864, 910784, 972416, 1010401, 1154744, 1208704, 1701728, 1821568, 2020802, 2309488, 3403456, 4041604, 4618976, 6806912, 8083208, 9237952, 16166416, 18475904, 32332832, 64665664, 129331328]

約数ペア:

[(1, 129331328), (2, 64665664), (4, 32332832), (7, 18475904), (8, 16166416), (14, 9237952), (16, 8083208), (19, 6806912), (28, 4618976), (32, 4041604), (38, 3403456), (56, 2309488), (64, 2020802), (71, 1821568), (76, 1701728), (107, 1208704), (112, 1154744), (128, 1010401), (133, 972416), (142, 910784), (152, 850864), (214, 604352), (224, 577372), (266, 486208), (284, 455392), (304, 425432), (428, 302176), (448, 288686), (497, 260224), (532, 243104), (568, 227696), (608, 212716), (749, 172672), (856, 151088), (896, 144343), (994, 130112), (1064, 121552), (1136, 113848), (1216, 106358), (1349, 95872), (1498, 86336), (1712, 75544), (1988, 65056), (2033, 63616), (2128, 60776), (2272, 56924), (2432, 53179), (2698, 47936), (2996, 43168), (3424, 37772), (3976, 32528), (4066, 31808), (4256, 30388), (4544, 28462), (5396, 23968), (5992, 21584), (6848, 18886), (7597, 17024), (7952, 16264), (8132, 15904), (8512, 15194), (9088, 14231), (9443, 13696), (10792, 11984)]