208998311

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 222746880

約数和(自身を除く): 13748569

約数列:

[1, 31, 37, 257, 709, 1147, 7967, 9509, 21979, 26233, 182213, 294779, 813223, 5648603, 6741881, 208998311]

約数ペア:

[(1, 208998311), (31, 6741881), (37, 5648603), (257, 813223), (709, 294779), (1147, 182213), (7967, 26233), (9509, 21979)]