28301728

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9719}}^1$

素因数の和:9749

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 40282592

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 9719, 19438, 38876, 68033, 77752, 126347, 136066, 155504, 252694, 272132, 311008, 505388, 544264, 884429, 1010776, 1088528, 1768858, 2021552, 2177056, 3537716, 4043104, 7075432, 14150864, 28301728]

約数ペア:

[(1, 28301728), (2, 14150864), (4, 7075432), (7, 4043104), (8, 3537716), (13, 2177056), (14, 2021552), (16, 1768858), (26, 1088528), (28, 1010776), (32, 884429), (52, 544264), (56, 505388), (91, 311008), (104, 272132), (112, 252694), (182, 155504), (208, 136066), (224, 126347), (364, 77752), (416, 68033), (728, 38876), (1456, 19438), (2912, 9719)]