1977287

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 2358720

約数和(自身を除く): 381433

約数列:

[1, 13, 17, 23, 221, 299, 389, 391, 5057, 5083, 6613, 8947, 85969, 116311, 152099, 1977287]

約数ペア:

[(1, 1977287), (13, 152099), (17, 116311), (23, 85969), (221, 8947), (299, 6613), (389, 5083), (391, 5057)]