128406955

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 156180960

約数和(自身を除く): 27774005

約数列:

[1, 5, 107, 389, 535, 617, 1945, 3085, 41623, 66019, 208115, 240013, 330095, 1200065, 25681391, 128406955]

約数ペア:

[(1, 128406955), (5, 25681391), (107, 1200065), (389, 330095), (535, 240013), (617, 208115), (1945, 66019), (3085, 41623)]