261609145

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1\times {\mathrm{691}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 372683520

約数和(自身を除く): 111074375

約数列:

[1, 5, 7, 29, 35, 145, 203, 373, 691, 1015, 1865, 2611, 3455, 4837, 10817, 13055, 20039, 24185, 54085, 75719, 100195, 140273, 257743, 378595, 701365, 1288715, 1804201, 7474547, 9021005, 37372735, 52321829, 261609145]

約数ペア:

[(1, 261609145), (5, 52321829), (7, 37372735), (29, 9021005), (35, 7474547), (145, 1804201), (203, 1288715), (373, 701365), (691, 378595), (1015, 257743), (1865, 140273), (2611, 100195), (3455, 75719), (4837, 54085), (10817, 24185), (13055, 20039)]