28219702

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{4139}}^1$

素因数の和:4635

約数の個数: 16

約数和(自身を含む): 48487680

約数和(自身を除く): 20267978

約数列:

[1, 2, 7, 14, 487, 974, 3409, 4139, 6818, 8278, 28973, 57946, 2015693, 4031386, 14109851, 28219702]

約数ペア:

[(1, 28219702), (2, 14109851), (7, 4031386), (14, 2015693), (487, 57946), (974, 28973), (3409, 8278), (4139, 6818)]