221255336

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{217771}}^1$

素因数の和:217904

約数の個数: 16

約数和(自身を含む): 418122240

約数和(自身を除く): 196866904

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 217771, 435542, 871084, 1742168, 27656917, 55313834, 110627668, 221255336]

約数ペア:

[(1, 221255336), (2, 110627668), (4, 55313834), (8, 27656917), (127, 1742168), (254, 871084), (508, 435542), (1016, 217771)]