38990413

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 52992000

約数和(自身を除く): 14001587

約数列:

[1, 7, 11, 19, 29, 77, 133, 203, 209, 319, 551, 919, 1463, 2233, 3857, 6061, 6433, 10109, 17461, 26651, 42427, 70763, 122227, 186557, 192071, 293161, 506369, 1344497, 2052127, 3544583, 5570059, 38990413]

約数ペア:

[(1, 38990413), (7, 5570059), (11, 3544583), (19, 2052127), (29, 1344497), (77, 506369), (133, 293161), (203, 192071), (209, 186557), (319, 122227), (551, 70763), (919, 42427), (1463, 26651), (2233, 17461), (3857, 10109), (6061, 6433)]