28454368

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 57788640

約数和(自身を除く): 29334272

約数列:

[1, 2, 4, 8, 16, 32, 89, 97, 103, 178, 194, 206, 356, 388, 412, 712, 776, 824, 1424, 1552, 1648, 2848, 3104, 3296, 8633, 9167, 9991, 17266, 18334, 19982, 34532, 36668, 39964, 69064, 73336, 79928, 138128, 146672, 159856, 276256, 293344, 319712, 889199, 1778398, 3556796, 7113592, 14227184, 28454368]

約数ペア:

[(1, 28454368), (2, 14227184), (4, 7113592), (8, 3556796), (16, 1778398), (32, 889199), (89, 319712), (97, 293344), (103, 276256), (178, 159856), (194, 146672), (206, 138128), (356, 79928), (388, 73336), (412, 69064), (712, 39964), (776, 36668), (824, 34532), (1424, 19982), (1552, 18334), (1648, 17266), (2848, 9991), (3104, 9167), (3296, 8633)]