1978115

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:298

約数の個数: 16

約数和(自身を含む): 2515968

約数和(自身を除く): 537853

約数列:

[1, 5, 23, 103, 115, 167, 515, 835, 2369, 3841, 11845, 17201, 19205, 86005, 395623, 1978115]

約数ペア:

[(1, 1978115), (5, 395623), (23, 86005), (103, 19205), (115, 17201), (167, 11845), (515, 3841), (835, 2369)]