289937846

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{2719}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 491166720

約数和(自身を除く): 201228874

約数列:

[1, 2, 11, 22, 37, 74, 131, 262, 407, 814, 1441, 2719, 2882, 4847, 5438, 9694, 29909, 53317, 59818, 100603, 106634, 201206, 356189, 712378, 1106633, 2213266, 3918079, 7836158, 13178993, 26357986, 144968923, 289937846]

約数ペア:

[(1, 289937846), (2, 144968923), (11, 26357986), (22, 13178993), (37, 7836158), (74, 3918079), (131, 2213266), (262, 1106633), (407, 712378), (814, 356189), (1441, 201206), (2719, 106634), (2882, 100603), (4847, 59818), (5438, 53317), (9694, 29909)]