989499408

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{131303}}^1$

素因数の和:131471

約数の個数: 40

約数和(自身を含む): 2572507968

約数和(自身を除く): 1583008560

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 7536, 131303, 262606, 393909, 525212, 787818, 1050424, 1575636, 2100848, 3151272, 6302544, 20614571, 41229142, 61843713, 82458284, 123687426, 164916568, 247374852, 329833136, 494749704, 989499408]

約数ペア:

[(1, 989499408), (2, 494749704), (3, 329833136), (4, 247374852), (6, 164916568), (8, 123687426), (12, 82458284), (16, 61843713), (24, 41229142), (48, 20614571), (157, 6302544), (314, 3151272), (471, 2100848), (628, 1575636), (942, 1050424), (1256, 787818), (1884, 525212), (2512, 393909), (3768, 262606), (7536, 131303)]