163949405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{727}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 215115264

約数和(自身を除く): 51165859

約数列:

[1, 5, 23, 37, 53, 115, 185, 265, 727, 851, 1219, 1961, 3635, 4255, 6095, 9805, 16721, 26899, 38531, 45103, 83605, 134495, 192655, 225515, 618677, 886213, 1425647, 3093385, 4431065, 7128235, 32789881, 163949405]

約数ペア:

[(1, 163949405), (5, 32789881), (23, 7128235), (37, 4431065), (53, 3093385), (115, 1425647), (185, 886213), (265, 618677), (727, 225515), (851, 192655), (1219, 134495), (1961, 83605), (3635, 45103), (4255, 38531), (6095, 26899), (9805, 16721)]