1640943356

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{2427431}}^1$

素因数の和:2427461

約数の個数: 18

約数和(自身を含む): 3109540392

約数和(自身を除く): 1468597036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2427431, 4854862, 9709724, 31556603, 63113206, 126226412, 410235839, 820471678, 1640943356]

約数ペア:

[(1, 1640943356), (2, 820471678), (4, 410235839), (13, 126226412), (26, 63113206), (52, 31556603), (169, 9709724), (338, 4854862), (676, 2427431)]