16800245

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3967}}^1$

素因数の和:4001

約数の個数: 24

約数和(自身を含む): 25331712

約数和(自身を除く): 8531467

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 3967, 4235, 19835, 27769, 43637, 138845, 218185, 305459, 480007, 1527295, 2400035, 3360049, 16800245]

約数ペア:

[(1, 16800245), (5, 3360049), (7, 2400035), (11, 1527295), (35, 480007), (55, 305459), (77, 218185), (121, 138845), (385, 43637), (605, 27769), (847, 19835), (3967, 4235)]