421119985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1399}}^1$

素因数の和:1849

約数の個数: 32

約数和(自身を含む): 595526400

約数和(自身を除く): 174406415

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 715, 1399, 2105, 4631, 5473, 6995, 15389, 18187, 23155, 27365, 60203, 76945, 90935, 200057, 301015, 588979, 1000285, 2944895, 6478769, 7656727, 32393845, 38283635, 84223997, 421119985]

約数ペア:

[(1, 421119985), (5, 84223997), (11, 38283635), (13, 32393845), (55, 7656727), (65, 6478769), (143, 2944895), (421, 1000285), (715, 588979), (1399, 301015), (2105, 200057), (4631, 90935), (5473, 76945), (6995, 60203), (15389, 27365), (18187, 23155)]