1388187136

素因数分解:

$2^9\times 7^1\times {\mathrm{387329}}^1$

素因数の和:387354

約数の個数: 40

約数和(自身を含む): 3169908720

約数和(自身を除く): 1781721584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 387329, 774658, 1549316, 2711303, 3098632, 5422606, 6197264, 10845212, 12394528, 21690424, 24789056, 43380848, 49578112, 86761696, 99156224, 173523392, 198312448, 347046784, 694093568, 1388187136]

約数ペア:

[(1, 1388187136), (2, 694093568), (4, 347046784), (7, 198312448), (8, 173523392), (14, 99156224), (16, 86761696), (28, 49578112), (32, 43380848), (56, 24789056), (64, 21690424), (112, 12394528), (128, 10845212), (224, 6197264), (256, 5422606), (448, 3098632), (512, 2711303), (896, 1549316), (1792, 774658), (3584, 387329)]