1287364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 2555840

約数和(自身を除く): 1268476

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1303, 2606, 5212, 16939, 24757, 33878, 49514, 67756, 99028, 321841, 643682, 1287364]

約数ペア:

[(1, 1287364), (2, 643682), (4, 321841), (13, 99028), (19, 67756), (26, 49514), (38, 33878), (52, 24757), (76, 16939), (247, 5212), (494, 2606), (988, 1303)]