287407004

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{396971}}^1$

素因数の和:397156

約数の個数: 12

約数和(自身を含む): 505742328

約数和(自身を除く): 218335324

約数列:

[1, 2, 4, 181, 362, 724, 396971, 793942, 1587884, 71851751, 143703502, 287407004]

約数ペア:

[(1, 287407004), (2, 143703502), (4, 71851751), (181, 1587884), (362, 793942), (724, 396971)]