78481628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{1567}}^1$

素因数の和:2249

約数の個数: 24

約数和(自身を含む): 144883200

約数和(自身を除く): 66401572

約数列:

[1, 2, 4, 19, 38, 76, 659, 1318, 1567, 2636, 3134, 6268, 12521, 25042, 29773, 50084, 59546, 119092, 1032653, 2065306, 4130612, 19620407, 39240814, 78481628]

約数ペア:

[(1, 78481628), (2, 39240814), (4, 19620407), (19, 4130612), (38, 2065306), (76, 1032653), (659, 119092), (1318, 59546), (1567, 50084), (2636, 29773), (3134, 25042), (6268, 12521)]