280121008

素因数分解:

$2^4\times {\mathrm{953}}^1\times {\mathrm{18371}}^1$

素因数の和:19332

約数の個数: 20

約数和(自身を含む): 543333528

約数和(自身を除く): 263212520

約数列:

[1, 2, 4, 8, 16, 953, 1906, 3812, 7624, 15248, 18371, 36742, 73484, 146968, 293936, 17507563, 35015126, 70030252, 140060504, 280121008]

約数ペア:

[(1, 280121008), (2, 140060504), (4, 70030252), (8, 35015126), (16, 17507563), (953, 293936), (1906, 146968), (3812, 73484), (7624, 36742), (15248, 18371)]