40871738

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:997

約数の個数: 16

約数和(自身を含む): 62118144

約数和(自身を除く): 21246406

約数列:

[1, 2, 131, 257, 262, 514, 607, 1214, 33667, 67334, 79517, 155999, 159034, 311998, 20435869, 40871738]

約数ペア:

[(1, 40871738), (2, 20435869), (131, 311998), (257, 159034), (262, 155999), (514, 79517), (607, 67334), (1214, 33667)]