28561168

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 57853440

約数和(自身を除く): 29292272

約数列:

[1, 2, 4, 8, 16, 31, 62, 89, 124, 178, 248, 356, 496, 647, 712, 1294, 1424, 2588, 2759, 5176, 5518, 10352, 11036, 20057, 22072, 40114, 44144, 57583, 80228, 115166, 160456, 230332, 320912, 460664, 921328, 1785073, 3570146, 7140292, 14280584, 28561168]

約数ペア:

[(1, 28561168), (2, 14280584), (4, 7140292), (8, 3570146), (16, 1785073), (31, 921328), (62, 460664), (89, 320912), (124, 230332), (178, 160456), (248, 115166), (356, 80228), (496, 57583), (647, 44144), (712, 40114), (1294, 22072), (1424, 20057), (2588, 11036), (2759, 10352), (5176, 5518)]