138303385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 185877504

約数和(自身を除く): 47574119

約数列:

[1, 5, 11, 55, 71, 107, 331, 355, 535, 781, 1177, 1655, 3641, 3905, 5885, 7597, 18205, 23501, 35417, 37985, 83567, 117505, 177085, 258511, 389587, 417835, 1292555, 1947935, 2514607, 12573035, 27660677, 138303385]

約数ペア:

[(1, 138303385), (5, 27660677), (11, 12573035), (55, 2514607), (71, 1947935), (107, 1292555), (331, 417835), (355, 389587), (535, 258511), (781, 177085), (1177, 117505), (1655, 83567), (3641, 37985), (3905, 35417), (5885, 23501), (7597, 18205)]