28252688

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{12889}}^1$

素因数の和:13034

約数の個数: 20

約数和(自身を含む): 55143420

約数和(自身を除く): 26890732

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 12889, 25778, 51556, 103112, 206224, 1765793, 3531586, 7063172, 14126344, 28252688]

約数ペア:

[(1, 28252688), (2, 14126344), (4, 7063172), (8, 3531586), (16, 1765793), (137, 206224), (274, 103112), (548, 51556), (1096, 25778), (2192, 12889)]