1285383940225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{667731917}}^1$

素因数の和:667731945

約数の個数: 24

約数和(自身を含む): 1987170187968

約数和(自身を除く): 701786247743

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 667731917, 3338659585, 4674123419, 7345051087, 16693297925, 23370617095, 36725255435, 51415357609, 116853085475, 183626277175, 257076788045, 1285383940225]

約数ペア:

[(1, 1285383940225), (5, 257076788045), (7, 183626277175), (11, 116853085475), (25, 51415357609), (35, 36725255435), (55, 23370617095), (77, 16693297925), (175, 7345051087), (275, 4674123419), (385, 3338659585), (1925, 667731917)]