1320221042

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{261223}}^1$

素因数の和:261270

約数の個数: 24

約数和(自身を含む): 2388632256

約数和(自身を除く): 1068411214

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 261223, 522446, 1828561, 3657122, 4963237, 9926474, 34742659, 69485318, 94301503, 188603006, 660110521, 1320221042]

約数ペア:

[(1, 1320221042), (2, 660110521), (7, 188603006), (14, 94301503), (19, 69485318), (38, 34742659), (133, 9926474), (266, 4963237), (361, 3657122), (722, 1828561), (2527, 522446), (5054, 261223)]