1013222

素因数分解:

$2^1\times 7^4\times {\mathrm{211}}^1$

素因数の和:241

約数の個数: 20

約数和(自身を含む): 1781436

約数和(自身を除く): 768214

約数列:

[1, 2, 7, 14, 49, 98, 211, 343, 422, 686, 1477, 2401, 2954, 4802, 10339, 20678, 72373, 144746, 506611, 1013222]

約数ペア:

[(1, 1013222), (2, 506611), (7, 144746), (14, 72373), (49, 20678), (98, 10339), (211, 4802), (343, 2954), (422, 2401), (686, 1477)]