28281222

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{21523}}^1$

素因数の和:21604

約数の個数: 24

約数和(自身を含む): 62118264

約数和(自身を除く): 33837042

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 21523, 43046, 64569, 129138, 193707, 387414, 1571179, 3142358, 4713537, 9427074, 14140611, 28281222]

約数ペア:

[(1, 28281222), (2, 14140611), (3, 9427074), (6, 4713537), (9, 3142358), (18, 1571179), (73, 387414), (146, 193707), (219, 129138), (438, 64569), (657, 43046), (1314, 21523)]