255881192

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147397}}^1$

素因数の和:147441

約数の個数: 32

約数和(自身を含む): 566008320

約数和(自身を除く): 310127128

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 147397, 294794, 589588, 1031779, 1179176, 2063558, 4127116, 4569307, 8254232, 9138614, 18277228, 31985149, 36554456, 63970298, 127940596, 255881192]

約数ペア:

[(1, 255881192), (2, 127940596), (4, 63970298), (7, 36554456), (8, 31985149), (14, 18277228), (28, 9138614), (31, 8254232), (56, 4569307), (62, 4127116), (124, 2063558), (217, 1179176), (248, 1031779), (434, 589588), (868, 294794), (1736, 147397)]