129975904

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 264218976

約数和(自身を除く): 134243072

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 157, 164, 314, 328, 628, 631, 656, 1256, 1262, 1312, 2512, 2524, 5024, 5048, 6437, 10096, 12874, 20192, 25748, 25871, 51496, 51742, 99067, 102992, 103484, 198134, 205984, 206968, 396268, 413936, 792536, 827872, 1585072, 3170144, 4061747, 8123494, 16246988, 32493976, 64987952, 129975904]

約数ペア:

[(1, 129975904), (2, 64987952), (4, 32493976), (8, 16246988), (16, 8123494), (32, 4061747), (41, 3170144), (82, 1585072), (157, 827872), (164, 792536), (314, 413936), (328, 396268), (628, 206968), (631, 205984), (656, 198134), (1256, 103484), (1262, 102992), (1312, 99067), (2512, 51742), (2524, 51496), (5024, 25871), (5048, 25748), (6437, 20192), (10096, 12874)]