1987728226

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{31231}}^1$

素因数の和:31518

約数の個数: 24

約数和(自身を含む): 3289853952

約数和(自身を除く): 1302125726

約数列:

[1, 2, 11, 22, 121, 242, 263, 526, 2893, 5786, 31231, 31823, 62462, 63646, 343541, 687082, 3778951, 7557902, 8213753, 16427506, 90351283, 180702566, 993864113, 1987728226]

約数ペア:

[(1, 1987728226), (2, 993864113), (11, 180702566), (22, 90351283), (121, 16427506), (242, 8213753), (263, 7557902), (526, 3778951), (2893, 687082), (5786, 343541), (31231, 63646), (31823, 62462)]