219117145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:3025

約数の個数: 32

約数和(自身を含む): 300303360

約数和(自身を除く): 81186215

約数列:

[1, 5, 13, 31, 37, 65, 155, 185, 403, 481, 1147, 2015, 2405, 2939, 5735, 14695, 14911, 38207, 74555, 91109, 108743, 191035, 455545, 543715, 1184417, 1413659, 3371033, 5922085, 7068295, 16855165, 43823429, 219117145]

約数ペア:

[(1, 219117145), (5, 43823429), (13, 16855165), (31, 7068295), (37, 5922085), (65, 3371033), (155, 1413659), (185, 1184417), (403, 543715), (481, 455545), (1147, 191035), (2015, 108743), (2405, 91109), (2939, 74555), (5735, 38207), (14695, 14911)]