131531456

素因数分解:

$2^6\times 7^1\times {\mathrm{331}}^1\times {\mathrm{887}}^1$

素因数の和:1237

約数の個数: 56

約数和(自身を含む): 299533056

約数和(自身を除く): 168001600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 331, 448, 662, 887, 1324, 1774, 2317, 2648, 3548, 4634, 5296, 6209, 7096, 9268, 10592, 12418, 14192, 18536, 21184, 24836, 28384, 37072, 49672, 56768, 74144, 99344, 148288, 198688, 293597, 397376, 587194, 1174388, 2055179, 2348776, 4110358, 4697552, 8220716, 9395104, 16441432, 18790208, 32882864, 65765728, 131531456]

約数ペア:

[(1, 131531456), (2, 65765728), (4, 32882864), (7, 18790208), (8, 16441432), (14, 9395104), (16, 8220716), (28, 4697552), (32, 4110358), (56, 2348776), (64, 2055179), (112, 1174388), (224, 587194), (331, 397376), (448, 293597), (662, 198688), (887, 148288), (1324, 99344), (1774, 74144), (2317, 56768), (2648, 49672), (3548, 37072), (4634, 28384), (5296, 24836), (6209, 21184), (7096, 18536), (9268, 14192), (10592, 12418)]