1661512765

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1223}}^1\times {\mathrm{1453}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 2306486016

約数和(自身を除く): 644973251

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 1223, 1453, 6115, 7265, 13453, 15983, 20791, 24701, 67265, 79915, 103955, 123505, 228701, 271711, 1143505, 1358555, 1777019, 8885095, 19547209, 30209323, 97736045, 151046615, 332302553, 1661512765]

約数ペア:

[(1, 1661512765), (5, 332302553), (11, 151046615), (17, 97736045), (55, 30209323), (85, 19547209), (187, 8885095), (935, 1777019), (1223, 1358555), (1453, 1143505), (6115, 271711), (7265, 228701), (13453, 123505), (15983, 103955), (20791, 79915), (24701, 67265)]