397392338

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{207191}}^1$

素因数の和:207337

約数の個数: 16

約数和(自身を含む): 686219904

約数和(自身を除く): 288827566

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 207191, 414382, 1450337, 2900674, 28385167, 56770334, 198696169, 397392338]

約数ペア:

[(1, 397392338), (2, 198696169), (7, 56770334), (14, 28385167), (137, 2900674), (274, 1450337), (959, 414382), (1918, 207191)]