64139944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19699}}^1$

素因数の和:19753

約数の個数: 32

約数和(自身を含む): 134748000

約数和(自身を除く): 70608056

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 19699, 39398, 78796, 157592, 216689, 433378, 728863, 866756, 1457726, 1733512, 2915452, 5830904, 8017493, 16034986, 32069972, 64139944]

約数ペア:

[(1, 64139944), (2, 32069972), (4, 16034986), (8, 8017493), (11, 5830904), (22, 2915452), (37, 1733512), (44, 1457726), (74, 866756), (88, 728863), (148, 433378), (296, 216689), (407, 157592), (814, 78796), (1628, 39398), (3256, 19699)]