39964738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20411}}^1$

素因数の和:20513

約数の個数: 16

約数和(自身を含む): 66134880

約数和(自身を除く): 26170142

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 20411, 40822, 224521, 449042, 1816579, 3633158, 19982369, 39964738]

約数ペア:

[(1, 39964738), (2, 19982369), (11, 3633158), (22, 1816579), (89, 449042), (178, 224521), (979, 40822), (1958, 20411)]