256810322

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1\times {\mathrm{3559}}^1$

素因数の和:4001

約数の個数: 16

約数和(自身を含む): 390033600

約数和(自身を除く): 133223278

約数列:

[1, 2, 109, 218, 331, 662, 3559, 7118, 36079, 72158, 387931, 775862, 1178029, 2356058, 128405161, 256810322]

約数ペア:

[(1, 256810322), (2, 128405161), (109, 2356058), (218, 1178029), (331, 775862), (662, 387931), (3559, 72158), (7118, 36079)]