209219892

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2490713}}^1$

素因数の和:2490727

約数の個数: 24

約数和(自身を含む): 557919936

約数和(自身を除く): 348700044

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2490713, 4981426, 7472139, 9962852, 14944278, 17434991, 29888556, 34869982, 52304973, 69739964, 104609946, 209219892]

約数ペア:

[(1, 209219892), (2, 104609946), (3, 69739964), (4, 52304973), (6, 34869982), (7, 29888556), (12, 17434991), (14, 14944278), (21, 9962852), (28, 7472139), (42, 4981426), (84, 2490713)]