12865256

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 24948000

約数和(自身を除く): 12082744

約数列:

[1, 2, 4, 8, 43, 86, 149, 172, 251, 298, 344, 502, 596, 1004, 1192, 2008, 6407, 10793, 12814, 21586, 25628, 37399, 43172, 51256, 74798, 86344, 149596, 299192, 1608157, 3216314, 6432628, 12865256]

約数ペア:

[(1, 12865256), (2, 6432628), (4, 3216314), (8, 1608157), (43, 299192), (86, 149596), (149, 86344), (172, 74798), (251, 51256), (298, 43172), (344, 37399), (502, 25628), (596, 21586), (1004, 12814), (1192, 10793), (2008, 6407)]