39919964

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{18047}}^1$

素因数の和:18137

約数の個数: 24

約数和(自身を含む): 80855040

約数和(自身を除く): 40935076

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 18047, 36094, 72188, 126329, 252658, 505316, 1425713, 2851426, 5702852, 9979991, 19959982, 39919964]

約数ペア:

[(1, 39919964), (2, 19959982), (4, 9979991), (7, 5702852), (14, 2851426), (28, 1425713), (79, 505316), (158, 252658), (316, 126329), (553, 72188), (1106, 36094), (2212, 18047)]