208807612

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{308887}}^1$

素因数の和:308917

約数の個数: 18

約数和(自身を含む): 395685528

約数和(自身を除く): 186877916

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 308887, 617774, 1235548, 4015531, 8031062, 16062124, 52201903, 104403806, 208807612]

約数ペア:

[(1, 208807612), (2, 104403806), (4, 52201903), (13, 16062124), (26, 8031062), (52, 4015531), (169, 1235548), (338, 617774), (676, 308887)]