2190204835

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1721}}^1\times {\mathrm{2797}}^1$

素因数の和:4543

約数の個数: 32

約数和(自身を含む): 3237800832

約数和(自身を除く): 1047595997

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1721, 2797, 8605, 12047, 13985, 19579, 22373, 36361, 60235, 97895, 111865, 156611, 181805, 254527, 783055, 1272635, 4813637, 24068185, 33695459, 62577281, 168477295, 312886405, 438040967, 2190204835]

約数ペア:

[(1, 2190204835), (5, 438040967), (7, 312886405), (13, 168477295), (35, 62577281), (65, 33695459), (91, 24068185), (455, 4813637), (1721, 1272635), (2797, 783055), (8605, 254527), (12047, 181805), (13985, 156611), (19579, 111865), (22373, 97895), (36361, 60235)]