81273692

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{21143}}^1$

素因数の和:21209

約数の個数: 18

約数和(自身を含む): 146971944

約数和(自身を除く): 65698252

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 21143, 42286, 84572, 655433, 1310866, 2621732, 20318423, 40636846, 81273692]

約数ペア:

[(1, 81273692), (2, 40636846), (4, 20318423), (31, 2621732), (62, 1310866), (124, 655433), (961, 84572), (1922, 42286), (3844, 21143)]