128411768

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{1321}}^1$

素因数の和:1775

約数の個数: 32

約数和(自身を含む): 249858000

約数和(自身を除く): 121446232

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 419, 838, 1321, 1676, 2642, 3352, 5284, 10568, 12151, 24302, 38309, 48604, 76618, 97208, 153236, 306472, 553499, 1106998, 2213996, 4427992, 16051471, 32102942, 64205884, 128411768]

約数ペア:

[(1, 128411768), (2, 64205884), (4, 32102942), (8, 16051471), (29, 4427992), (58, 2213996), (116, 1106998), (232, 553499), (419, 306472), (838, 153236), (1321, 97208), (1676, 76618), (2642, 48604), (3352, 38309), (5284, 24302), (10568, 12151)]