28293508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 56246400

約数和(自身を除く): 27952892

約数列:

[1, 2, 4, 17, 19, 34, 38, 61, 68, 76, 122, 244, 323, 359, 646, 718, 1037, 1159, 1292, 1436, 2074, 2318, 4148, 4636, 6103, 6821, 12206, 13642, 19703, 21899, 24412, 27284, 39406, 43798, 78812, 87596, 115957, 231914, 372283, 416081, 463828, 744566, 832162, 1489132, 1664324, 7073377, 14146754, 28293508]

約数ペア:

[(1, 28293508), (2, 14146754), (4, 7073377), (17, 1664324), (19, 1489132), (34, 832162), (38, 744566), (61, 463828), (68, 416081), (76, 372283), (122, 231914), (244, 115957), (323, 87596), (359, 78812), (646, 43798), (718, 39406), (1037, 27284), (1159, 24412), (1292, 21899), (1436, 19703), (2074, 13642), (2318, 12206), (4148, 6821), (4636, 6103)]