28200028

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{7001}}^1$

素因数の和:7077

約数の個数: 24

約数和(自身を含む): 52935120

約数和(自身を除く): 24735092

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 7001, 14002, 28004, 133019, 266038, 371053, 532076, 742106, 1484212, 7050007, 14100014, 28200028]

約数ペア:

[(1, 28200028), (2, 14100014), (4, 7050007), (19, 1484212), (38, 742106), (53, 532076), (76, 371053), (106, 266038), (212, 133019), (1007, 28004), (2014, 14002), (4028, 7001)]