28784272

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2441}}^1$

素因数の和:2527

約数の個数: 40

約数和(自身を含む): 61772832

約数和(自身を除く): 32988560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 2441, 2948, 4882, 5896, 9764, 11792, 19528, 26851, 39056, 53702, 107404, 163547, 214808, 327094, 429616, 654188, 1308376, 1799017, 2616752, 3598034, 7196068, 14392136, 28784272]

約数ペア:

[(1, 28784272), (2, 14392136), (4, 7196068), (8, 3598034), (11, 2616752), (16, 1799017), (22, 1308376), (44, 654188), (67, 429616), (88, 327094), (134, 214808), (176, 163547), (268, 107404), (536, 53702), (737, 39056), (1072, 26851), (1474, 19528), (2441, 11792), (2948, 9764), (4882, 5896)]