26247417

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 16222983

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 419, 471, 1099, 1257, 2933, 2983, 3297, 7961, 8799, 8949, 20881, 23883, 55727, 62643, 65783, 167181, 197349, 460481, 1249877, 1381443, 3749631, 8749139, 26247417]

約数ペア:

[(1, 26247417), (3, 8749139), (7, 3749631), (19, 1381443), (21, 1249877), (57, 460481), (133, 197349), (157, 167181), (399, 65783), (419, 62643), (471, 55727), (1099, 23883), (1257, 20881), (2933, 8949), (2983, 8799), (3297, 7961)]