28286128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 59371200

約数和(自身を除く): 31085072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 569, 956, 1138, 1912, 2276, 3107, 3824, 4552, 6214, 7397, 9104, 12428, 14794, 24856, 29588, 49712, 59176, 118352, 135991, 271982, 543964, 1087928, 1767883, 2175856, 3535766, 7071532, 14143064, 28286128]

約数ペア:

[(1, 28286128), (2, 14143064), (4, 7071532), (8, 3535766), (13, 2175856), (16, 1767883), (26, 1087928), (52, 543964), (104, 271982), (208, 135991), (239, 118352), (478, 59176), (569, 49712), (956, 29588), (1138, 24856), (1912, 14794), (2276, 12428), (3107, 9104), (3824, 7397), (4552, 6214)]