15993649

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 20109600

約数和(自身を除く): 4115951

約数列:

[1, 7, 19, 41, 49, 133, 287, 419, 779, 931, 2009, 2933, 5453, 7961, 17179, 20531, 38171, 55727, 120253, 326401, 390089, 841771, 2284807, 15993649]

約数ペア:

[(1, 15993649), (7, 2284807), (19, 841771), (41, 390089), (49, 326401), (133, 120253), (287, 55727), (419, 38171), (779, 20531), (931, 17179), (2009, 7961), (2933, 5453)]