28685784

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 75536640

約数和(自身を除く): 46850856

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 157, 184, 276, 314, 331, 471, 552, 628, 662, 942, 993, 1256, 1324, 1884, 1986, 2648, 3611, 3768, 3972, 7222, 7613, 7944, 10833, 14444, 15226, 21666, 22839, 28888, 30452, 43332, 45678, 51967, 60904, 86664, 91356, 103934, 155901, 182712, 207868, 311802, 415736, 623604, 1195241, 1247208, 2390482, 3585723, 4780964, 7171446, 9561928, 14342892, 28685784]

約数ペア:

[(1, 28685784), (2, 14342892), (3, 9561928), (4, 7171446), (6, 4780964), (8, 3585723), (12, 2390482), (23, 1247208), (24, 1195241), (46, 623604), (69, 415736), (92, 311802), (138, 207868), (157, 182712), (184, 155901), (276, 103934), (314, 91356), (331, 86664), (471, 60904), (552, 51967), (628, 45678), (662, 43332), (942, 30452), (993, 28888), (1256, 22839), (1324, 21666), (1884, 15226), (1986, 14444), (2648, 10833), (3611, 7944), (3768, 7613), (3972, 7222)]