64440670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{4673}}^1$

素因数の和:4884

約数の個数: 32

約数和(自身を含む): 133265088

約数和(自身を除く): 68824418

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 4673, 6895, 9346, 13790, 23365, 32711, 46730, 65422, 163555, 327110, 920581, 1841162, 4602905, 6444067, 9205810, 12888134, 32220335, 64440670]

約数ペア:

[(1, 64440670), (2, 32220335), (5, 12888134), (7, 9205810), (10, 6444067), (14, 4602905), (35, 1841162), (70, 920581), (197, 327110), (394, 163555), (985, 65422), (1379, 46730), (1970, 32711), (2758, 23365), (4673, 13790), (6895, 9346)]