408642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:75

約数の個数: 32

約数和(自身を含む): 913920

約数和(自身を除く): 505278

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 806, 1014, 1209, 2197, 2418, 4394, 5239, 6591, 10478, 13182, 15717, 31434, 68107, 136214, 204321, 408642]

約数ペア:

[(1, 408642), (2, 204321), (3, 136214), (6, 68107), (13, 31434), (26, 15717), (31, 13182), (39, 10478), (62, 6591), (78, 5239), (93, 4394), (169, 2418), (186, 2197), (338, 1209), (403, 1014), (507, 806)]