397004405

素因数分解:

$5^1\times 7^1\times {\mathrm{3347}}^1\times {\mathrm{3389}}^1$

素因数の和:6748

約数の個数: 16

約数和(自身を含む): 544786560

約数和(自身を除く): 147782155

約数列:

[1, 5, 7, 35, 3347, 3389, 16735, 16945, 23429, 23723, 117145, 118615, 11342983, 56714915, 79400881, 397004405]

約数ペア:

[(1, 397004405), (5, 79400881), (7, 56714915), (35, 11342983), (3347, 118615), (3389, 117145), (16735, 23723), (16945, 23429)]