220177529

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 281534400

約数和(自身を除く): 61356871

約数列:

[1, 11, 13, 19, 53, 121, 139, 143, 209, 247, 583, 689, 1007, 1529, 1573, 1807, 2299, 2641, 2717, 6413, 7367, 7579, 11077, 13091, 16819, 19877, 29051, 29887, 34333, 81037, 83369, 95771, 121847, 139973, 144001, 218647, 319561, 377663, 891407, 1053481, 1539703, 1584011, 1819649, 4154293, 11588291, 16936733, 20016139, 220177529]

約数ペア:

[(1, 220177529), (11, 20016139), (13, 16936733), (19, 11588291), (53, 4154293), (121, 1819649), (139, 1584011), (143, 1539703), (209, 1053481), (247, 891407), (583, 377663), (689, 319561), (1007, 218647), (1529, 144001), (1573, 139973), (1807, 121847), (2299, 95771), (2641, 83369), (2717, 81037), (6413, 34333), (7367, 29887), (7579, 29051), (11077, 19877), (13091, 16819)]