128589568

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{26437}}^1$

素因数の和:26472

約数の個数: 36

約数和(自身を含む): 270196360

約数和(自身を除く): 141606792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4864, 26437, 52874, 105748, 211496, 422992, 502303, 845984, 1004606, 1691968, 2009212, 3383936, 4018424, 6767872, 8036848, 16073696, 32147392, 64294784, 128589568]

約数ペア:

[(1, 128589568), (2, 64294784), (4, 32147392), (8, 16073696), (16, 8036848), (19, 6767872), (32, 4018424), (38, 3383936), (64, 2009212), (76, 1691968), (128, 1004606), (152, 845984), (256, 502303), (304, 422992), (608, 211496), (1216, 105748), (2432, 52874), (4864, 26437)]