12989558

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 21150720

約数和(自身を除く): 8161162

約数列:

[1, 2, 31, 53, 59, 62, 67, 106, 118, 134, 1643, 1829, 2077, 3127, 3286, 3551, 3658, 3953, 4154, 6254, 7102, 7906, 96937, 110081, 122543, 193874, 209509, 220162, 245086, 419018, 6494779, 12989558]

約数ペア:

[(1, 12989558), (2, 6494779), (31, 419018), (53, 245086), (59, 220162), (62, 209509), (67, 193874), (106, 122543), (118, 110081), (134, 96937), (1643, 7906), (1829, 7102), (2077, 6254), (3127, 4154), (3286, 3953), (3551, 3658)]