203919209

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{4729}}^1$

素因数の和:4880

約数の個数: 16

約数和(自身を含む): 228856320

約数和(自身を除く): 24937111

約数列:

[1, 13, 31, 107, 403, 1391, 3317, 4729, 43121, 61477, 146599, 506003, 1905787, 6578039, 15686093, 203919209]

約数ペア:

[(1, 203919209), (13, 15686093), (31, 6578039), (107, 1905787), (403, 506003), (1391, 146599), (3317, 61477), (4729, 43121)]