128671021

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1804

約数の個数: 16

約数和(自身を含む): 139802560

約数和(自身を除く): 11131539

約数列:

[1, 19, 61, 67, 1159, 1273, 1657, 4087, 31483, 77653, 101077, 111019, 1920463, 2109361, 6772159, 128671021]

約数ペア:

[(1, 128671021), (19, 6772159), (61, 2109361), (67, 1920463), (1159, 111019), (1273, 101077), (1657, 77653), (4087, 31483)]