331057690

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{238171}}^1$

素因数の和:238317

約数の個数: 16

約数和(自身を含む): 600193440

約数和(自身を除く): 269135750

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 238171, 476342, 1190855, 2381710, 33105769, 66211538, 165528845, 331057690]

約数ペア:

[(1, 331057690), (2, 165528845), (5, 66211538), (10, 33105769), (139, 2381710), (278, 1190855), (695, 476342), (1390, 238171)]