78287144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39619}}^1$

素因数の和:39657

約数の個数: 32

約数和(自身を含む): 166404000

約数和(自身を除く): 88116856

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 39619, 79238, 158476, 316952, 515047, 752761, 1030094, 1505522, 2060188, 3011044, 4120376, 6022088, 9785893, 19571786, 39143572, 78287144]

約数ペア:

[(1, 78287144), (2, 39143572), (4, 19571786), (8, 9785893), (13, 6022088), (19, 4120376), (26, 3011044), (38, 2060188), (52, 1505522), (76, 1030094), (104, 752761), (152, 515047), (247, 316952), (494, 158476), (988, 79238), (1976, 39619)]