28704728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{276007}}^1$

素因数の和:276026

約数の個数: 16

約数和(自身を含む): 57961680

約数和(自身を除く): 29256952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 276007, 552014, 1104028, 2208056, 3588091, 7176182, 14352364, 28704728]

約数ペア:

[(1, 28704728), (2, 14352364), (4, 7176182), (8, 3588091), (13, 2208056), (26, 1104028), (52, 552014), (104, 276007)]