1981445845

素因数分解:

$5^1\times {\mathrm{367}}^1\times {\mathrm{709}}^1\times {\mathrm{1523}}^1$

素因数の和:2604

約数の個数: 16

約数和(自身を含む): 2389144320

約数和(自身を除く): 407698475

約数列:

[1, 5, 367, 709, 1523, 1835, 3545, 7615, 260203, 558941, 1079807, 1301015, 2794705, 5399035, 396289169, 1981445845]

約数ペア:

[(1, 1981445845), (5, 396289169), (367, 5399035), (709, 2794705), (1523, 1301015), (1835, 1079807), (3545, 558941), (7615, 260203)]