128532145

素因数分解:

$5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4903}}^1$

素因数の和:5029

約数の個数: 24

約数和(自身を含む): 181134144

約数和(自身を除く): 52601999

約数列:

[1, 5, 7, 35, 49, 107, 245, 535, 749, 3745, 4903, 5243, 24515, 26215, 34321, 171605, 240247, 524621, 1201235, 2623105, 3672347, 18361735, 25706429, 128532145]

約数ペア:

[(1, 128532145), (5, 25706429), (7, 18361735), (35, 3672347), (49, 2623105), (107, 1201235), (245, 524621), (535, 240247), (749, 171605), (3745, 34321), (4903, 26215), (5243, 24515)]