1640874963

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{17027}}^1$

素因数の和:17403

約数の個数: 32

約数和(自身を含む): 2700504576

約数和(自身を除く): 1059629613

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 353, 1059, 2471, 4589, 7413, 13767, 17027, 32123, 51081, 96369, 119189, 221351, 357567, 664053, 1549457, 4648371, 6010531, 18031593, 42073717, 78136903, 126221151, 234410709, 546958321, 1640874963]

約数ペア:

[(1, 1640874963), (3, 546958321), (7, 234410709), (13, 126221151), (21, 78136903), (39, 42073717), (91, 18031593), (273, 6010531), (353, 4648371), (1059, 1549457), (2471, 664053), (4589, 357567), (7413, 221351), (13767, 119189), (17027, 96369), (32123, 51081)]