261391873

素因数分解:

${\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:744

約数の個数: 16

約数和(自身を含む): 278640000

約数和(自身を除く): 17248127

約数列:

[1, 19, 199, 257, 269, 3781, 4883, 5111, 51143, 53531, 69133, 971717, 1017089, 1313527, 13757467, 261391873]

約数ペア:

[(1, 261391873), (19, 13757467), (199, 1313527), (257, 1017089), (269, 971717), (3781, 69133), (4883, 53531), (5111, 51143)]