128440424

素因数分解:

$2^3\times 7^1\times {\mathrm{2293579}}^1$

素因数の和:2293592

約数の個数: 16

約数和(自身を含む): 275229600

約数和(自身を除く): 146789176

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2293579, 4587158, 9174316, 16055053, 18348632, 32110106, 64220212, 128440424]

約数ペア:

[(1, 128440424), (2, 64220212), (4, 32110106), (7, 18348632), (8, 16055053), (14, 9174316), (28, 4587158), (56, 2293579)]