28707328

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 65308320

約数和(自身を除く): 36600992

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 227, 247, 256, 304, 416, 454, 494, 512, 608, 832, 908, 988, 1216, 1664, 1816, 1976, 2432, 2951, 3328, 3632, 3952, 4313, 4864, 5902, 6656, 7264, 7904, 8626, 9728, 11804, 14528, 15808, 17252, 23608, 29056, 31616, 34504, 47216, 56069, 58112, 63232, 69008, 94432, 112138, 116224, 126464, 138016, 188864, 224276, 276032, 377728, 448552, 552064, 755456, 897104, 1104128, 1510912, 1794208, 2208256, 3588416, 7176832, 14353664, 28707328]

約数ペア:

[(1, 28707328), (2, 14353664), (4, 7176832), (8, 3588416), (13, 2208256), (16, 1794208), (19, 1510912), (26, 1104128), (32, 897104), (38, 755456), (52, 552064), (64, 448552), (76, 377728), (104, 276032), (128, 224276), (152, 188864), (208, 138016), (227, 126464), (247, 116224), (256, 112138), (304, 94432), (416, 69008), (454, 63232), (494, 58112), (512, 56069), (608, 47216), (832, 34504), (908, 31616), (988, 29056), (1216, 23608), (1664, 17252), (1816, 15808), (1976, 14528), (2432, 11804), (2951, 9728), (3328, 8626), (3632, 7904), (3952, 7264), (4313, 6656), (4864, 5902)]