131428468

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^2$

素因数の和:392

約数の個数: 36

約数和(自身を含む): 244497792

約数和(自身を除く): 113069324

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 157, 172, 314, 628, 1333, 2666, 4867, 5332, 6751, 9734, 13502, 19468, 24649, 27004, 49298, 98596, 209281, 418562, 764119, 837124, 1059907, 1528238, 2119814, 3056476, 4239628, 32857117, 65714234, 131428468]

約数ペア:

[(1, 131428468), (2, 65714234), (4, 32857117), (31, 4239628), (43, 3056476), (62, 2119814), (86, 1528238), (124, 1059907), (157, 837124), (172, 764119), (314, 418562), (628, 209281), (1333, 98596), (2666, 49298), (4867, 27004), (5332, 24649), (6751, 19468), (9734, 13502)]