257984776

素因数分解:

$2^3\times 7^1\times {\mathrm{4606871}}^1$

素因数の和:4606884

約数の個数: 16

約数和(自身を含む): 552824640

約数和(自身を除く): 294839864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4606871, 9213742, 18427484, 32248097, 36854968, 64496194, 128992388, 257984776]

約数ペア:

[(1, 257984776), (2, 128992388), (4, 64496194), (7, 36854968), (8, 32248097), (14, 18427484), (28, 9213742), (56, 4606871)]