438418864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67993}}^1$

素因数の和:68045

約数の個数: 40

約数和(自身を含む): 944300672

約数和(自身を除く): 505881808

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 67993, 135986, 271972, 543944, 883909, 1087888, 1767818, 2107783, 3535636, 4215566, 7071272, 8431132, 14142544, 16862264, 27401179, 33724528, 54802358, 109604716, 219209432, 438418864]

約数ペア:

[(1, 438418864), (2, 219209432), (4, 109604716), (8, 54802358), (13, 33724528), (16, 27401179), (26, 16862264), (31, 14142544), (52, 8431132), (62, 7071272), (104, 4215566), (124, 3535636), (208, 2107783), (248, 1767818), (403, 1087888), (496, 883909), (806, 543944), (1612, 271972), (3224, 135986), (6448, 67993)]