639379968

素因数分解:

$2^9\times 3^1\times {\mathrm{416263}}^1$

素因数の和:416284

約数の個数: 40

約数和(自身を含む): 1703352288

約数和(自身を除く): 1063972320

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 416263, 832526, 1248789, 1665052, 2497578, 3330104, 4995156, 6660208, 9990312, 13320416, 19980624, 26640832, 39961248, 53281664, 79922496, 106563328, 159844992, 213126656, 319689984, 639379968]

約数ペア:

[(1, 639379968), (2, 319689984), (3, 213126656), (4, 159844992), (6, 106563328), (8, 79922496), (12, 53281664), (16, 39961248), (24, 26640832), (32, 19980624), (48, 13320416), (64, 9990312), (96, 6660208), (128, 4995156), (192, 3330104), (256, 2497578), (384, 1665052), (512, 1248789), (768, 832526), (1536, 416263)]