257728656

素因数分解:

$2^4\times 3^1\times {\mathrm{5369347}}^1$

素因数の和:5369358

約数の個数: 20

約数和(自身を含む): 665799152

約数和(自身を除く): 408070496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 5369347, 10738694, 16108041, 21477388, 32216082, 42954776, 64432164, 85909552, 128864328, 257728656]

約数ペア:

[(1, 257728656), (2, 128864328), (3, 85909552), (4, 64432164), (6, 42954776), (8, 32216082), (12, 21477388), (16, 16108041), (24, 10738694), (48, 5369347)]