161605165

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 210700800

約数和(自身を除く): 49095635

約数列:

[1, 5, 19, 61, 79, 95, 305, 353, 395, 1159, 1501, 1765, 4819, 5795, 6707, 7505, 21533, 24095, 27887, 33535, 91561, 107665, 139435, 409127, 457805, 529853, 1701107, 2045635, 2649265, 8505535, 32321033, 161605165]

約数ペア:

[(1, 161605165), (5, 32321033), (19, 8505535), (61, 2649265), (79, 2045635), (95, 1701107), (305, 529853), (353, 457805), (395, 409127), (1159, 139435), (1501, 107665), (1765, 91561), (4819, 33535), (5795, 27887), (6707, 24095), (7505, 21533)]