987974

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 24

約数和(自身を含む): 1668960

約数和(自身を除く): 680986

約数列:

[1, 2, 13, 26, 37, 74, 79, 158, 169, 338, 481, 962, 1027, 2054, 2923, 5846, 6253, 12506, 13351, 26702, 37999, 75998, 493987, 987974]

約数ペア:

[(1, 987974), (2, 493987), (13, 75998), (26, 37999), (37, 26702), (74, 13351), (79, 12506), (158, 6253), (169, 5846), (338, 2923), (481, 2054), (962, 1027)]