87428792

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{499}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 181545000

約数和(自身を除く): 94116208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 181, 242, 362, 484, 499, 724, 968, 998, 1448, 1991, 1996, 3982, 3992, 5489, 7964, 10978, 15928, 21901, 21956, 43802, 43912, 60379, 87604, 90319, 120758, 175208, 180638, 241516, 361276, 483032, 722552, 993509, 1987018, 3974036, 7948072, 10928599, 21857198, 43714396, 87428792]

約数ペア:

[(1, 87428792), (2, 43714396), (4, 21857198), (8, 10928599), (11, 7948072), (22, 3974036), (44, 1987018), (88, 993509), (121, 722552), (181, 483032), (242, 361276), (362, 241516), (484, 180638), (499, 175208), (724, 120758), (968, 90319), (998, 87604), (1448, 60379), (1991, 43912), (1996, 43802), (3982, 21956), (3992, 21901), (5489, 15928), (7964, 10978)]