438548138

素因数分解:

$2^1\times 7^3\times {\mathrm{353}}^1\times {\mathrm{1811}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 769737600

約数和(自身を除く): 331189462

約数列:

[1, 2, 7, 14, 49, 98, 343, 353, 686, 706, 1811, 2471, 3622, 4942, 12677, 17297, 25354, 34594, 88739, 121079, 177478, 242158, 621173, 639283, 1242346, 1278566, 4474981, 8949962, 31324867, 62649734, 219274069, 438548138]

約数ペア:

[(1, 438548138), (2, 219274069), (7, 62649734), (14, 31324867), (49, 8949962), (98, 4474981), (343, 1278566), (353, 1242346), (686, 639283), (706, 621173), (1811, 242158), (2471, 177478), (3622, 121079), (4942, 88739), (12677, 34594), (17297, 25354)]