81980988

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^2\times {\mathrm{7109}}^1$

素因数の和:7178

約数の個数: 36

約数和(自身を含む): 197686440

約数和(自身を除く): 115705452

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 372, 961, 1922, 2883, 3844, 5766, 7109, 11532, 14218, 21327, 28436, 42654, 85308, 220379, 440758, 661137, 881516, 1322274, 2644548, 6831749, 13663498, 20495247, 27326996, 40990494, 81980988]

約数ペア:

[(1, 81980988), (2, 40990494), (3, 27326996), (4, 20495247), (6, 13663498), (12, 6831749), (31, 2644548), (62, 1322274), (93, 881516), (124, 661137), (186, 440758), (372, 220379), (961, 85308), (1922, 42654), (2883, 28436), (3844, 21327), (5766, 14218), (7109, 11532)]