840309886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{11057}}^1$

素因数の和:11188

約数の個数: 32

約数和(自身を含む): 1411885440

約数和(自身を除く): 571575554

約数列:

[1, 2, 13, 26, 37, 74, 79, 158, 481, 962, 1027, 2054, 2923, 5846, 11057, 22114, 37999, 75998, 143741, 287482, 409109, 818218, 873503, 1747006, 5318417, 10636834, 11355539, 22711078, 32319611, 64639222, 420154943, 840309886]

約数ペア:

[(1, 840309886), (2, 420154943), (13, 64639222), (26, 32319611), (37, 22711078), (74, 11355539), (79, 10636834), (158, 5318417), (481, 1747006), (962, 873503), (1027, 818218), (2054, 409109), (2923, 287482), (5846, 143741), (11057, 75998), (22114, 37999)]