28746389

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 18

約数和(自身を含む): 34988310

約数和(自身を除く): 6241921

約数列:

[1, 7, 23, 49, 161, 529, 1109, 1127, 3703, 7763, 25507, 25921, 54341, 178549, 586661, 1249843, 4106627, 28746389]

約数ペア:

[(1, 28746389), (7, 4106627), (23, 1249843), (49, 586661), (161, 178549), (529, 54341), (1109, 25921), (1127, 25507), (3703, 7763)]