68642896

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32257}}^1$

素因数の和:32291

約数の個数: 40

約数和(自身を含む): 159999680

約数和(自身を除く): 91356784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 32257, 64514, 129028, 225799, 258056, 451598, 516112, 612883, 903196, 1225766, 1806392, 2451532, 3612784, 4290181, 4903064, 8580362, 9806128, 17160724, 34321448, 68642896]

約数ペア:

[(1, 68642896), (2, 34321448), (4, 17160724), (7, 9806128), (8, 8580362), (14, 4903064), (16, 4290181), (19, 3612784), (28, 2451532), (38, 1806392), (56, 1225766), (76, 903196), (112, 612883), (133, 516112), (152, 451598), (266, 258056), (304, 225799), (532, 129028), (1064, 64514), (2128, 32257)]