397894889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{5441}}^1$

素因数の和:5816

約数の個数: 16

約数和(自身を含む): 470885376

約数和(自身を除く): 72990487

約数列:

[1, 7, 31, 217, 337, 2359, 5441, 10447, 38087, 73129, 168671, 1180697, 1833617, 12835319, 56842127, 397894889]

約数ペア:

[(1, 397894889), (7, 56842127), (31, 12835319), (217, 1833617), (337, 1180697), (2359, 168671), (5441, 73129), (10447, 38087)]