266943943

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1\times {\mathrm{1291}}^1$

素因数の和:1678

約数の個数: 16

約数和(自身を含む): 309253120

約数和(自身を除く): 42309177

約数列:

[1, 7, 109, 271, 763, 1291, 1897, 9037, 29539, 140719, 206773, 349861, 985033, 2449027, 38134849, 266943943]

約数ペア:

[(1, 266943943), (7, 38134849), (109, 2449027), (271, 985033), (763, 349861), (1291, 206773), (1897, 140719), (9037, 29539)]