338889488

素因数分解:

$2^4\times 7^3\times {\mathrm{61751}}^1$

素因数の和:61780

約数の個数: 40

約数和(自身を含む): 765724800

約数和(自身を除く): 426835312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 5488, 61751, 123502, 247004, 432257, 494008, 864514, 988016, 1729028, 3025799, 3458056, 6051598, 6916112, 12103196, 21180593, 24206392, 42361186, 48412784, 84722372, 169444744, 338889488]

約数ペア:

[(1, 338889488), (2, 169444744), (4, 84722372), (7, 48412784), (8, 42361186), (14, 24206392), (16, 21180593), (28, 12103196), (49, 6916112), (56, 6051598), (98, 3458056), (112, 3025799), (196, 1729028), (343, 988016), (392, 864514), (686, 494008), (784, 432257), (1372, 247004), (2744, 123502), (5488, 61751)]