128623105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2707}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 180157824

約数和(自身を除く): 51534719

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2707, 2795, 3655, 9503, 13535, 35191, 46019, 47515, 116401, 175955, 230095, 582005, 598247, 1513213, 1978817, 2991235, 7566065, 9894085, 25724621, 128623105]

約数ペア:

[(1, 128623105), (5, 25724621), (13, 9894085), (17, 7566065), (43, 2991235), (65, 1978817), (85, 1513213), (215, 598247), (221, 582005), (559, 230095), (731, 175955), (1105, 116401), (2707, 47515), (2795, 46019), (3655, 35191), (9503, 13535)]