66405745

素因数分解:

$5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{9631}}^1$

素因数の和:9840

約数の個数: 16

約数和(自身を含む): 91542528

約数和(自身を除く): 25136783

約数列:

[1, 5, 7, 35, 197, 985, 1379, 6895, 9631, 48155, 67417, 337085, 1897307, 9486535, 13281149, 66405745]

約数ペア:

[(1, 66405745), (5, 13281149), (7, 9486535), (35, 1897307), (197, 337085), (985, 67417), (1379, 48155), (6895, 9631)]