12997972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1381}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 24649352

約数和(自身を除く): 11651380

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 1381, 2353, 2762, 4706, 5524, 9412, 17953, 35906, 71812, 249961, 499922, 999844, 3249493, 6498986, 12997972]

約数ペア:

[(1, 12997972), (2, 6498986), (4, 3249493), (13, 999844), (26, 499922), (52, 249961), (181, 71812), (362, 35906), (724, 17953), (1381, 9412), (2353, 5524), (2762, 4706)]