31981649

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{383}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 37355520

約数和(自身を除く): 5373871

約数列:

[1, 7, 79, 151, 383, 553, 1057, 2681, 11929, 30257, 57833, 83503, 211799, 404831, 4568807, 31981649]

約数ペア:

[(1, 31981649), (7, 4568807), (79, 404831), (151, 211799), (383, 83503), (553, 57833), (1057, 30257), (2681, 11929)]