257243856

素因数分解:

$2^4\times 3^1\times {\mathrm{5359247}}^1$

素因数の和:5359258

約数の個数: 20

約数和(自身を含む): 664546752

約数和(自身を除く): 407302896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 5359247, 10718494, 16077741, 21436988, 32155482, 42873976, 64310964, 85747952, 128621928, 257243856]

約数ペア:

[(1, 257243856), (2, 128621928), (3, 85747952), (4, 64310964), (6, 42873976), (8, 32155482), (12, 21436988), (16, 16077741), (24, 10718494), (48, 5359247)]