638396514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{5066639}}^1$

素因数の和:5066654

約数の個数: 24

約数和(自身を含む): 1580791680

約数和(自身を除く): 942395166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 5066639, 10133278, 15199917, 30399834, 35466473, 45599751, 70932946, 91199502, 106399419, 212798838, 319198257, 638396514]

約数ペア:

[(1, 638396514), (2, 319198257), (3, 212798838), (6, 106399419), (7, 91199502), (9, 70932946), (14, 45599751), (18, 35466473), (21, 30399834), (42, 15199917), (63, 10133278), (126, 5066639)]