128156945

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{4073}}^1$

素因数の和:4145

約数の個数: 32

約数和(自身を含む): 187729920

約数和(自身を除く): 59572975

約数列:

[1, 5, 7, 29, 31, 35, 145, 155, 203, 217, 899, 1015, 1085, 4073, 4495, 6293, 20365, 28511, 31465, 118117, 126263, 142555, 590585, 631315, 826819, 883841, 3661627, 4134095, 4419205, 18308135, 25631389, 128156945]

約数ペア:

[(1, 128156945), (5, 25631389), (7, 18308135), (29, 4419205), (31, 4134095), (35, 3661627), (145, 883841), (155, 826819), (203, 631315), (217, 590585), (899, 142555), (1015, 126263), (1085, 118117), (4073, 31465), (4495, 28511), (6293, 20365)]