2638766

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 24

約数和(自身を含む): 4422744

約数和(自身を除く): 1783978

約数列:

[1, 2, 13, 26, 37, 74, 169, 211, 338, 422, 481, 962, 2743, 5486, 6253, 7807, 12506, 15614, 35659, 71318, 101491, 202982, 1319383, 2638766]

約数ペア:

[(1, 2638766), (2, 1319383), (13, 202982), (26, 101491), (37, 71318), (74, 35659), (169, 15614), (211, 12506), (338, 7807), (422, 6253), (481, 5486), (962, 2743)]