28001516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{21673}}^1$

素因数の和:21713

約数の個数: 24

約数和(自身を含む): 54618480

約数和(自身を除く): 26616964

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 21673, 43346, 86692, 368441, 411787, 736882, 823574, 1473764, 1647148, 7000379, 14000758, 28001516]

約数ペア:

[(1, 28001516), (2, 14000758), (4, 7000379), (17, 1647148), (19, 1473764), (34, 823574), (38, 736882), (68, 411787), (76, 368441), (323, 86692), (646, 43346), (1292, 21673)]