12989812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 26046720

約数和(自身を除く): 13056908

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 79, 101, 148, 158, 202, 316, 404, 407, 814, 869, 1111, 1628, 1738, 2222, 2923, 3476, 3737, 4444, 5846, 7474, 7979, 11692, 14948, 15958, 31916, 32153, 41107, 64306, 82214, 87769, 128612, 164428, 175538, 295223, 351076, 590446, 1180892, 3247453, 6494906, 12989812]

約数ペア:

[(1, 12989812), (2, 6494906), (4, 3247453), (11, 1180892), (22, 590446), (37, 351076), (44, 295223), (74, 175538), (79, 164428), (101, 128612), (148, 87769), (158, 82214), (202, 64306), (316, 41107), (404, 32153), (407, 31916), (814, 15958), (869, 14948), (1111, 11692), (1628, 7979), (1738, 7474), (2222, 5846), (2923, 4444), (3476, 3737)]