40389802

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{2203}}^1$

素因数の和:2397

約数の個数: 16

約数和(自身を含む): 61888320

約数和(自身を除く): 21498518

約数列:

[1, 2, 89, 103, 178, 206, 2203, 4406, 9167, 18334, 196067, 226909, 392134, 453818, 20194901, 40389802]

約数ペア:

[(1, 40389802), (2, 20194901), (89, 453818), (103, 392134), (178, 226909), (206, 196067), (2203, 18334), (4406, 9167)]