64845745

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1987}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 79869888

約数和(自身を除く): 15024143

約数列:

[1, 5, 61, 107, 305, 535, 1987, 6527, 9935, 32635, 121207, 212609, 606035, 1063045, 12969149, 64845745]

約数ペア:

[(1, 64845745), (5, 12969149), (61, 1063045), (107, 606035), (305, 212609), (535, 121207), (1987, 32635), (6527, 9935)]