26378859

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{367}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 40391680

約数和(自身を除く): 14012821

約数列:

[1, 3, 13, 19, 39, 57, 97, 247, 291, 367, 741, 1101, 1261, 1843, 3783, 4771, 5529, 6973, 14313, 20919, 23959, 35599, 71877, 90649, 106797, 271947, 462787, 676381, 1388361, 2029143, 8792953, 26378859]

約数ペア:

[(1, 26378859), (3, 8792953), (13, 2029143), (19, 1388361), (39, 676381), (57, 462787), (97, 271947), (247, 106797), (291, 90649), (367, 71877), (741, 35599), (1101, 23959), (1261, 20919), (1843, 14313), (3783, 6973), (4771, 5529)]