128578616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{945431}}^1$

素因数の和:945454

約数の個数: 16

約数和(自身を含む): 255266640

約数和(自身を除く): 126688024

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 945431, 1890862, 3781724, 7563448, 16072327, 32144654, 64289308, 128578616]

約数ペア:

[(1, 128578616), (2, 64289308), (4, 32144654), (8, 16072327), (17, 7563448), (34, 3781724), (68, 1890862), (136, 945431)]