28278118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67651}}^1$

素因数の和:67683

約数の個数: 16

約数和(自身を含む): 48709440

約数和(自身を除く): 20431322

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 67651, 135302, 744161, 1285369, 1488322, 2570738, 14139059, 28278118]

約数ペア:

[(1, 28278118), (2, 14139059), (11, 2570738), (19, 1488322), (22, 1285369), (38, 744161), (209, 135302), (418, 67651)]