81403718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 145478592

約数和(自身を除く): 64074874

約数列:

[1, 2, 11, 17, 22, 34, 47, 94, 121, 187, 242, 374, 421, 517, 799, 842, 1034, 1598, 2057, 4114, 4631, 5687, 7157, 8789, 9262, 11374, 14314, 17578, 19787, 39574, 50941, 78727, 96679, 101882, 157454, 193358, 217657, 336379, 435314, 672758, 865997, 1731994, 2394227, 3700169, 4788454, 7400338, 40701859, 81403718]

約数ペア:

[(1, 81403718), (2, 40701859), (11, 7400338), (17, 4788454), (22, 3700169), (34, 2394227), (47, 1731994), (94, 865997), (121, 672758), (187, 435314), (242, 336379), (374, 217657), (421, 193358), (517, 157454), (799, 101882), (842, 96679), (1034, 78727), (1598, 50941), (2057, 39574), (4114, 19787), (4631, 17578), (5687, 14314), (7157, 11374), (8789, 9262)]