2019128531

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{158749}}^1$

素因数の和:158858

約数の個数: 16

約数和(自身を含む): 2438400000

約数和(自身を除く): 419271469

約数列:

[1, 7, 23, 79, 161, 553, 1817, 12719, 158749, 1111243, 3651227, 12541171, 25558589, 87788197, 288446933, 2019128531]

約数ペア:

[(1, 2019128531), (7, 288446933), (23, 87788197), (79, 25558589), (161, 12541171), (553, 3651227), (1817, 1111243), (12719, 158749)]