28148804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21787}}^1$

素因数の和:21827

約数の個数: 24

約数和(自身を含む): 54905760

約数和(自身を除く): 26756956

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 21787, 43574, 87148, 370379, 413953, 740758, 827906, 1481516, 1655812, 7037201, 14074402, 28148804]

約数ペア:

[(1, 28148804), (2, 14074402), (4, 7037201), (17, 1655812), (19, 1481516), (34, 827906), (38, 740758), (68, 413953), (76, 370379), (323, 87148), (646, 43574), (1292, 21787)]