256225194

素因数分解:

$2^1\times 3^4\times {\mathrm{1581637}}^1$

素因数の和:1581651

約数の個数: 20

約数和(自身を含む): 574134594

約数和(自身を除く): 317909400

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1581637, 3163274, 4744911, 9489822, 14234733, 28469466, 42704199, 85408398, 128112597, 256225194]

約数ペア:

[(1, 256225194), (2, 128112597), (3, 85408398), (6, 42704199), (9, 28469466), (18, 14234733), (27, 9489822), (54, 4744911), (81, 3163274), (162, 1581637)]