15690020905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{911}}^1\times {\mathrm{1031}}^1$

素因数の和:2217

約数の個数: 32

約数和(自身を含む): 20397339648

約数和(自身を除く): 4707318743

約数列:

[1, 5, 13, 65, 257, 911, 1031, 1285, 3341, 4555, 5155, 11843, 13403, 16705, 59215, 67015, 234127, 264967, 939241, 1170635, 1324835, 3043651, 3444571, 4696205, 12210133, 15218255, 17222855, 61050665, 241384937, 1206924685, 3138004181, 15690020905]

約数ペア:

[(1, 15690020905), (5, 3138004181), (13, 1206924685), (65, 241384937), (257, 61050665), (911, 17222855), (1031, 15218255), (1285, 12210133), (3341, 4696205), (4555, 3444571), (5155, 3043651), (11843, 1324835), (13403, 1170635), (16705, 939241), (59215, 264967), (67015, 234127)]