28688138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 47087040

約数和(自身を除く): 18398902

約数列:

[1, 2, 19, 38, 43, 86, 97, 181, 194, 362, 817, 1634, 1843, 3439, 3686, 4171, 6878, 7783, 8342, 15566, 17557, 35114, 79249, 147877, 158498, 295754, 333583, 667166, 754951, 1509902, 14344069, 28688138]

約数ペア:

[(1, 28688138), (2, 14344069), (19, 1509902), (38, 754951), (43, 667166), (86, 333583), (97, 295754), (181, 158498), (194, 147877), (362, 79249), (817, 35114), (1634, 17557), (1843, 15566), (3439, 8342), (3686, 7783), (4171, 6878)]