638131914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5064539}}^1$

素因数の和:5064554

約数の個数: 24

約数和(自身を含む): 1580136480

約数和(自身を除く): 942004566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5064539, 10129078, 15193617, 30387234, 35451773, 45580851, 70903546, 91161702, 106355319, 212710638, 319065957, 638131914]

約数ペア:

[(1, 638131914), (2, 319065957), (3, 212710638), (6, 106355319), (7, 91161702), (9, 70903546), (14, 45580851), (18, 35451773), (21, 30387234), (42, 15193617), (63, 10129078), (126, 5064539)]