318456064

素因数分解:

$2^8\times {\mathrm{1243969}}^1$

素因数の和:1243985

約数の個数: 18

約数和(自身を含む): 635668670

約数和(自身を除く): 317212606

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1243969, 2487938, 4975876, 9951752, 19903504, 39807008, 79614016, 159228032, 318456064]

約数ペア:

[(1, 318456064), (2, 159228032), (4, 79614016), (8, 39807008), (16, 19903504), (32, 9951752), (64, 4975876), (128, 2487938), (256, 1243969)]