205991695

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1129}}^1$

素因数の和:1555

約数の個数: 32

約数和(自身を含む): 305262720

約数和(自身を除く): 99271025

約数列:

[1, 5, 7, 13, 35, 65, 91, 401, 455, 1129, 2005, 2807, 5213, 5645, 7903, 14035, 14677, 26065, 36491, 39515, 73385, 102739, 182455, 452729, 513695, 2263645, 3169103, 5885477, 15845515, 29427385, 41198339, 205991695]

約数ペア:

[(1, 205991695), (5, 41198339), (7, 29427385), (13, 15845515), (35, 5885477), (65, 3169103), (91, 2263645), (401, 513695), (455, 452729), (1129, 182455), (2005, 102739), (2807, 73385), (5213, 39515), (5645, 36491), (7903, 26065), (14035, 14677)]