19974809701

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{48407}}^1$

素因数の和:48681

約数の個数: 32

約数和(自身を含む): 26098495488

約数和(自身を除く): 6123685787

約数列:

[1, 7, 11, 23, 77, 161, 233, 253, 1631, 1771, 2563, 5359, 17941, 37513, 48407, 58949, 338849, 412643, 532477, 1113361, 3727339, 7793527, 11278831, 12246971, 78951817, 85728797, 124067141, 259413113, 868469987, 1815891791, 2853544243, 19974809701]

約数ペア:

[(1, 19974809701), (7, 2853544243), (11, 1815891791), (23, 868469987), (77, 259413113), (161, 124067141), (233, 85728797), (253, 78951817), (1631, 12246971), (1771, 11278831), (2563, 7793527), (5359, 3727339), (17941, 1113361), (37513, 532477), (48407, 412643), (58949, 338849)]