131428304

素因数分解:

$2^4\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1163}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 291558720

約数和(自身を除く): 160130416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1009, 1163, 2018, 2326, 4036, 4652, 7063, 8072, 8141, 9304, 14126, 16144, 16282, 18608, 28252, 32564, 56504, 65128, 113008, 130256, 1173467, 2346934, 4693868, 8214269, 9387736, 16428538, 18775472, 32857076, 65714152, 131428304]

約数ペア:

[(1, 131428304), (2, 65714152), (4, 32857076), (7, 18775472), (8, 16428538), (14, 9387736), (16, 8214269), (28, 4693868), (56, 2346934), (112, 1173467), (1009, 130256), (1163, 113008), (2018, 65128), (2326, 56504), (4036, 32564), (4652, 28252), (7063, 18608), (8072, 16282), (8141, 16144), (9304, 14126)]