4991493

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1124

約数の個数: 16

約数和(自身を含む): 7229376

約数和(自身を除く): 2237883

約数列:

[1, 3, 13, 39, 131, 393, 977, 1703, 2931, 5109, 12701, 38103, 127987, 383961, 1663831, 4991493]

約数ペア:

[(1, 4991493), (3, 1663831), (13, 383961), (39, 127987), (131, 38103), (393, 12701), (977, 5109), (1703, 2931)]