389680876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{257}}^1\times {\mathrm{2243}}^1$

素因数の和:2530

約数の個数: 36

約数和(自身を含む): 741637512

約数和(自身を除く): 351956636

約数列:

[1, 2, 4, 13, 26, 52, 169, 257, 338, 514, 676, 1028, 2243, 3341, 4486, 6682, 8972, 13364, 29159, 43433, 58318, 86866, 116636, 173732, 379067, 576451, 758134, 1152902, 1516268, 2305804, 7493863, 14987726, 29975452, 97420219, 194840438, 389680876]

約数ペア:

[(1, 389680876), (2, 194840438), (4, 97420219), (13, 29975452), (26, 14987726), (52, 7493863), (169, 2305804), (257, 1516268), (338, 1152902), (514, 758134), (676, 576451), (1028, 379067), (2243, 173732), (3341, 116636), (4486, 86866), (6682, 58318), (8972, 43433), (13364, 29159)]