218504008

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{215063}}^1$

素因数の和:215196

約数の個数: 16

約数和(自身を含む): 412922880

約数和(自身を除く): 194418872

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 215063, 430126, 860252, 1720504, 27313001, 54626002, 109252004, 218504008]

約数ペア:

[(1, 218504008), (2, 109252004), (4, 54626002), (8, 27313001), (127, 1720504), (254, 860252), (508, 430126), (1016, 215063)]