78374648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2221}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 160783920

約数和(自身を除く): 82409272

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 401, 802, 1604, 2221, 3208, 4411, 4442, 8822, 8884, 17644, 17768, 24431, 35288, 48862, 97724, 195448, 890621, 1781242, 3562484, 7124968, 9796831, 19593662, 39187324, 78374648]

約数ペア:

[(1, 78374648), (2, 39187324), (4, 19593662), (8, 9796831), (11, 7124968), (22, 3562484), (44, 1781242), (88, 890621), (401, 195448), (802, 97724), (1604, 48862), (2221, 35288), (3208, 24431), (4411, 17768), (4442, 17644), (8822, 8884)]