3938891690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4425721}}^1$

素因数の和:4425817

約数の個数: 16

約数和(自身を含む): 7169669640

約数和(自身を除く): 3230777950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 4425721, 8851442, 22128605, 44257210, 393889169, 787778338, 1969445845, 3938891690]

約数ペア:

[(1, 3938891690), (2, 1969445845), (5, 787778338), (10, 393889169), (89, 44257210), (178, 22128605), (445, 8851442), (890, 4425721)]