287520904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{6709}}^1$

素因数の和:7213

約数の個数: 32

約数和(自身を含む): 589406400

約数和(自身を除く): 301885496

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 487, 974, 1948, 3896, 5357, 6709, 10714, 13418, 21428, 26836, 42856, 53672, 73799, 147598, 295196, 590392, 3267283, 6534566, 13069132, 26138264, 35940113, 71880226, 143760452, 287520904]

約数ペア:

[(1, 287520904), (2, 143760452), (4, 71880226), (8, 35940113), (11, 26138264), (22, 13069132), (44, 6534566), (88, 3267283), (487, 590392), (974, 295196), (1948, 147598), (3896, 73799), (5357, 53672), (6709, 42856), (10714, 26836), (13418, 21428)]