12980116

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:232

約数の個数: 36

約数和(自身を含む): 24483060

約数和(自身を除く): 11502944

約数列:

[1, 2, 4, 19, 38, 76, 89, 101, 178, 202, 356, 361, 404, 722, 1444, 1691, 1919, 3382, 3838, 6764, 7676, 8989, 17978, 32129, 35956, 36461, 64258, 72922, 128516, 145844, 170791, 341582, 683164, 3245029, 6490058, 12980116]

約数ペア:

[(1, 12980116), (2, 6490058), (4, 3245029), (19, 683164), (38, 341582), (76, 170791), (89, 145844), (101, 128516), (178, 72922), (202, 64258), (356, 36461), (361, 35956), (404, 32129), (722, 17978), (1444, 8989), (1691, 7676), (1919, 6764), (3382, 3838)]