261788462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127453}}^1$

素因数の和:127547

約数の個数: 16

約数和(自身を含む): 428245440

約数和(自身を除く): 166456978

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 127453, 254906, 1656889, 3313778, 10068787, 20137574, 130894231, 261788462]

約数ペア:

[(1, 261788462), (2, 130894231), (13, 20137574), (26, 10068787), (79, 3313778), (158, 1656889), (1027, 254906), (2054, 127453)]