199971551

素因数分解:

${\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1\times {\mathrm{617}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 218653344

約数和(自身を除く): 18681793

約数列:

[1, 13, 107, 233, 617, 1391, 3029, 8021, 24931, 66019, 143761, 324103, 858247, 1868893, 15382427, 199971551]

約数ペア:

[(1, 199971551), (13, 15382427), (107, 1868893), (233, 858247), (617, 324103), (1391, 143761), (3029, 66019), (8021, 24931)]