28287091

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{677}}^1$

素因数の和:858

約数の個数: 16

約数和(自身を含む): 33325056

約数和(自身を除く): 5037965

約数列:

[1, 7, 47, 127, 329, 677, 889, 4739, 5969, 31819, 41783, 85979, 222733, 601853, 4041013, 28287091]

約数ペア:

[(1, 28287091), (7, 4041013), (47, 601853), (127, 222733), (329, 85979), (677, 41783), (889, 31819), (4739, 5969)]