638893452

素因数分解:

$2^2\times 3^1\times {\mathrm{53241121}}^1$

素因数の和:53241128

約数の個数: 12

約数和(自身を含む): 1490751416

約数和(自身を除く): 851857964

約数列:

[1, 2, 3, 4, 6, 12, 53241121, 106482242, 159723363, 212964484, 319446726, 638893452]

約数ペア:

[(1, 638893452), (2, 319446726), (3, 212964484), (4, 159723363), (6, 106482242), (12, 53241121)]