256570476

素因数分解:

$2^2\times 3^1\times {\mathrm{163}}^1\times {\mathrm{131171}}^1$

素因数の和:131341

約数の個数: 24

約数和(自身を含む): 602341824

約数和(自身を除く): 345771348

約数列:

[1, 2, 3, 4, 6, 12, 163, 326, 489, 652, 978, 1956, 131171, 262342, 393513, 524684, 787026, 1574052, 21380873, 42761746, 64142619, 85523492, 128285238, 256570476]

約数ペア:

[(1, 256570476), (2, 128285238), (3, 85523492), (4, 64142619), (6, 42761746), (12, 21380873), (163, 1574052), (326, 787026), (489, 524684), (652, 393513), (978, 262342), (1956, 131171)]