6381815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 9123840

約数和(自身を除く): 2742025

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 197, 209, 341, 589, 985, 1045, 1705, 2167, 2945, 3743, 6107, 6479, 10835, 18715, 30535, 32395, 41173, 67177, 116033, 205865, 335885, 580165, 1276363, 6381815]

約数ペア:

[(1, 6381815), (5, 1276363), (11, 580165), (19, 335885), (31, 205865), (55, 116033), (95, 67177), (155, 41173), (197, 32395), (209, 30535), (341, 18715), (589, 10835), (985, 6479), (1045, 6107), (1705, 3743), (2167, 2945)]