643138944

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{239263}}^1$

素因数の和:239287

約数の個数: 64

約数和(自身を含む): 1952394240

約数和(自身を除く): 1309255296

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 239263, 478526, 717789, 957052, 1435578, 1674841, 1914104, 2871156, 3349682, 3828208, 5024523, 5742312, 6699364, 7656416, 10049046, 11484624, 13398728, 15312832, 20098092, 22969248, 26797456, 30625664, 40196184, 45938496, 53594912, 80392368, 91876992, 107189824, 160784736, 214379648, 321569472, 643138944]

約数ペア:

[(1, 643138944), (2, 321569472), (3, 214379648), (4, 160784736), (6, 107189824), (7, 91876992), (8, 80392368), (12, 53594912), (14, 45938496), (16, 40196184), (21, 30625664), (24, 26797456), (28, 22969248), (32, 20098092), (42, 15312832), (48, 13398728), (56, 11484624), (64, 10049046), (84, 7656416), (96, 6699364), (112, 5742312), (128, 5024523), (168, 3828208), (192, 3349682), (224, 2871156), (336, 1914104), (384, 1674841), (448, 1435578), (672, 957052), (896, 717789), (1344, 478526), (2688, 239263)]