128520265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{7607}}^1$

素因数の和:7752

約数の個数: 16

約数和(自身を含む): 160680960

約数和(自身を除く): 32160695

約数列:

[1, 5, 31, 109, 155, 545, 3379, 7607, 16895, 38035, 235817, 829163, 1179085, 4145815, 25704053, 128520265]

約数ペア:

[(1, 128520265), (5, 25704053), (31, 4145815), (109, 1179085), (155, 829163), (545, 235817), (3379, 38035), (7607, 16895)]